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-rw-r--r--drivers/tty/ehv_bytechan.c1
-rw-r--r--drivers/tty/mxser.c11
-rw-r--r--drivers/tty/n_tty.c8
-rw-r--r--drivers/tty/rocket.c288
-rw-r--r--drivers/tty/serial/8250/8250_core.c14
-rw-r--r--drivers/tty/serial/8250/8250_dw.c7
-rw-r--r--drivers/tty/serial/amba-pl011.c2
-rw-r--r--drivers/tty/serial/imx.c2
-rw-r--r--drivers/tty/serial/mcf.c4
-rw-r--r--drivers/tty/serial/mpc52xx_uart.c11
-rw-r--r--drivers/tty/serial/nwpserial.c2
-rw-r--r--drivers/tty/serial/omap-serial.c23
-rw-r--r--drivers/tty/serial/samsung.c14
-rw-r--r--drivers/tty/tty_audit.c104
-rw-r--r--drivers/tty/vt/vt.c14
-rw-r--r--drivers/tty/vt/vt_ioctl.c67
16 files changed, 300 insertions, 272 deletions
diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 6d0c27cd03da..9bffcec5ad82 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -859,6 +859,7 @@ error:
*/
static void __exit ehv_bc_exit(void)
{
+ platform_driver_unregister(&ehv_bc_tty_driver);
tty_unregister_driver(ehv_bc_driver);
put_tty_driver(ehv_bc_driver);
kfree(bcs);
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 71d6eb2c93b1..4c4a23674569 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -1618,8 +1618,12 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
if (ip->type == PORT_16550A)
me->fifo[p] = 1;
- opmode = inb(ip->opmode_ioaddr)>>((p % 4) * 2);
- opmode &= OP_MODE_MASK;
+ if (ip->board->chip_flag == MOXA_MUST_MU860_HWID) {
+ opmode = inb(ip->opmode_ioaddr)>>((p % 4) * 2);
+ opmode &= OP_MODE_MASK;
+ } else {
+ opmode = RS232_MODE;
+ }
me->iftype[p] = opmode;
mutex_unlock(&port->mutex);
}
@@ -1676,6 +1680,9 @@ static int mxser_ioctl(struct tty_struct *tty,
int shiftbit;
unsigned char val, mask;
+ if (info->board->chip_flag != MOXA_MUST_MU860_HWID)
+ return -EFAULT;
+
p = tty->index % 4;
if (cmd == MOXA_SET_OP_MODE) {
if (get_user(opmode, (int __user *) argp))
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index d655416087b7..6c7fe90ad72d 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1573,6 +1573,14 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
ldata->real_raw = 0;
}
n_tty_set_room(tty);
+ /*
+ * Fix tty hang when I_IXON(tty) is cleared, but the tty
+ * been stopped by STOP_CHAR(tty) before it.
+ */
+ if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) {
+ start_tty(tty);
+ }
+
/* The termios change make the tty ready for I/O */
wake_up_interruptible(&tty->write_wait);
wake_up_interruptible(&tty->read_wait);
diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
index 82d35c5a58fd..354564ea47c5 100644
--- a/drivers/tty/rocket.c
+++ b/drivers/tty/rocket.c
@@ -150,12 +150,14 @@ static Word_t aiop_intr_bits[AIOP_CTL_SIZE] = {
AIOP_INTR_BIT_3
};
+#ifdef CONFIG_PCI
static Word_t upci_aiop_intr_bits[AIOP_CTL_SIZE] = {
UPCI_AIOP_INTR_BIT_0,
UPCI_AIOP_INTR_BIT_1,
UPCI_AIOP_INTR_BIT_2,
UPCI_AIOP_INTR_BIT_3
};
+#endif
static Byte_t RData[RDATASIZE] = {
0x00, 0x09, 0xf6, 0x82,
@@ -227,7 +229,6 @@ static unsigned long nextLineNumber;
static int __init init_ISA(int i);
static void rp_wait_until_sent(struct tty_struct *tty, int timeout);
static void rp_flush_buffer(struct tty_struct *tty);
-static void rmSpeakerReset(CONTROLLER_T * CtlP, unsigned long model);
static unsigned char GetLineNumber(int ctrl, int aiop, int ch);
static unsigned char SetLineNumber(int ctrl, int aiop, int ch);
static void rp_start(struct tty_struct *tty);
@@ -241,11 +242,6 @@ static void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags);
static void sModemReset(CONTROLLER_T * CtlP, int chan, int on);
static void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on);
static int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data);
-static int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
- ByteIO_t * AiopIOList, int AiopIOListSize,
- WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
- int PeriodicOnly, int altChanRingIndicator,
- int UPCIRingInd);
static int sInitController(CONTROLLER_T * CtlP, int CtlNum, ByteIO_t MudbacIO,
ByteIO_t * AiopIOList, int AiopIOListSize,
int IRQNum, Byte_t Frequency, int PeriodicOnly);
@@ -1775,6 +1771,145 @@ static DEFINE_PCI_DEVICE_TABLE(rocket_pci_ids) = {
};
MODULE_DEVICE_TABLE(pci, rocket_pci_ids);
+/* Resets the speaker controller on RocketModem II and III devices */
+static void rmSpeakerReset(CONTROLLER_T * CtlP, unsigned long model)
+{
+ ByteIO_t addr;
+
+ /* RocketModem II speaker control is at the 8th port location of offset 0x40 */
+ if ((model == MODEL_RP4M) || (model == MODEL_RP6M)) {
+ addr = CtlP->AiopIO[0] + 0x4F;
+ sOutB(addr, 0);
+ }
+
+ /* RocketModem III speaker control is at the 1st port location of offset 0x80 */
+ if ((model == MODEL_UPCI_RM3_8PORT)
+ || (model == MODEL_UPCI_RM3_4PORT)) {
+ addr = CtlP->AiopIO[0] + 0x88;
+ sOutB(addr, 0);
+ }
+}
+
+/***************************************************************************
+Function: sPCIInitController
+Purpose: Initialization of controller global registers and controller
+ structure.
+Call: sPCIInitController(CtlP,CtlNum,AiopIOList,AiopIOListSize,
+ IRQNum,Frequency,PeriodicOnly)
+ CONTROLLER_T *CtlP; Ptr to controller structure
+ int CtlNum; Controller number
+ ByteIO_t *AiopIOList; List of I/O addresses for each AIOP.
+ This list must be in the order the AIOPs will be found on the
+ controller. Once an AIOP in the list is not found, it is
+ assumed that there are no more AIOPs on the controller.
+ int AiopIOListSize; Number of addresses in AiopIOList
+ int IRQNum; Interrupt Request number. Can be any of the following:
+ 0: Disable global interrupts
+ 3: IRQ 3
+ 4: IRQ 4
+ 5: IRQ 5
+ 9: IRQ 9
+ 10: IRQ 10
+ 11: IRQ 11
+ 12: IRQ 12
+ 15: IRQ 15
+ Byte_t Frequency: A flag identifying the frequency
+ of the periodic interrupt, can be any one of the following:
+ FREQ_DIS - periodic interrupt disabled
+ FREQ_137HZ - 137 Hertz
+ FREQ_69HZ - 69 Hertz
+ FREQ_34HZ - 34 Hertz
+ FREQ_17HZ - 17 Hertz
+ FREQ_9HZ - 9 Hertz
+ FREQ_4HZ - 4 Hertz
+ If IRQNum is set to 0 the Frequency parameter is
+ overidden, it is forced to a value of FREQ_DIS.
+ int PeriodicOnly: 1 if all interrupts except the periodic
+ interrupt are to be blocked.
+ 0 is both the periodic interrupt and
+ other channel interrupts are allowed.
+ If IRQNum is set to 0 the PeriodicOnly parameter is
+ overidden, it is forced to a value of 0.
+Return: int: Number of AIOPs on the controller, or CTLID_NULL if controller
+ initialization failed.
+
+Comments:
+ If periodic interrupts are to be disabled but AIOP interrupts
+ are allowed, set Frequency to FREQ_DIS and PeriodicOnly to 0.
+
+ If interrupts are to be completely disabled set IRQNum to 0.
+
+ Setting Frequency to FREQ_DIS and PeriodicOnly to 1 is an
+ invalid combination.
+
+ This function performs initialization of global interrupt modes,
+ but it does not actually enable global interrupts. To enable
+ and disable global interrupts use functions sEnGlobalInt() and
+ sDisGlobalInt(). Enabling of global interrupts is normally not
+ done until all other initializations are complete.
+
+ Even if interrupts are globally enabled, they must also be
+ individually enabled for each channel that is to generate
+ interrupts.
+
+Warnings: No range checking on any of the parameters is done.
+
+ No context switches are allowed while executing this function.
+
+ After this function all AIOPs on the controller are disabled,
+ they can be enabled with sEnAiop().
+*/
+static int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
+ ByteIO_t * AiopIOList, int AiopIOListSize,
+ WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
+ int PeriodicOnly, int altChanRingIndicator,
+ int UPCIRingInd)
+{
+ int i;
+ ByteIO_t io;
+
+ CtlP->AltChanRingIndicator = altChanRingIndicator;
+ CtlP->UPCIRingInd = UPCIRingInd;
+ CtlP->CtlNum = CtlNum;
+ CtlP->CtlID = CTLID_0001; /* controller release 1 */
+ CtlP->BusType = isPCI; /* controller release 1 */
+
+ if (ConfigIO) {
+ CtlP->isUPCI = 1;
+ CtlP->PCIIO = ConfigIO + _PCI_9030_INT_CTRL;
+ CtlP->PCIIO2 = ConfigIO + _PCI_9030_GPIO_CTRL;
+ CtlP->AiopIntrBits = upci_aiop_intr_bits;
+ } else {
+ CtlP->isUPCI = 0;
+ CtlP->PCIIO =
+ (WordIO_t) ((ByteIO_t) AiopIOList[0] + _PCI_INT_FUNC);
+ CtlP->AiopIntrBits = aiop_intr_bits;
+ }
+
+ sPCIControllerEOI(CtlP); /* clear EOI if warm init */
+ /* Init AIOPs */
+ CtlP->NumAiop = 0;
+ for (i = 0; i < AiopIOListSize; i++) {
+ io = AiopIOList[i];
+ CtlP->AiopIO[i] = (WordIO_t) io;
+ CtlP->AiopIntChanIO[i] = io + _INT_CHAN;
+
+ CtlP->AiopID[i] = sReadAiopID(io); /* read AIOP ID */
+ if (CtlP->AiopID[i] == AIOPID_NULL) /* if AIOP does not exist */
+ break; /* done looking for AIOPs */
+
+ CtlP->AiopNumChan[i] = sReadAiopNumChan((WordIO_t) io); /* num channels in AIOP */
+ sOutW((WordIO_t) io + _INDX_ADDR, _CLK_PRE); /* clock prescaler */
+ sOutB(io + _INDX_DATA, sClockPrescale);
+ CtlP->NumAiop++; /* bump count of AIOPs */
+ }
+
+ if (CtlP->NumAiop == 0)
+ return (-1);
+ else
+ return (CtlP->NumAiop);
+}
+
/*
* Called when a PCI card is found. Retrieves and stores model information,
* init's aiopic and serial port hardware.
@@ -2519,147 +2654,6 @@ static int sInitController(CONTROLLER_T * CtlP, int CtlNum, ByteIO_t MudbacIO,
return (CtlP->NumAiop);
}
-#ifdef CONFIG_PCI
-/***************************************************************************
-Function: sPCIInitController
-Purpose: Initialization of controller global registers and controller
- structure.
-Call: sPCIInitController(CtlP,CtlNum,AiopIOList,AiopIOListSize,
- IRQNum,Frequency,PeriodicOnly)
- CONTROLLER_T *CtlP; Ptr to controller structure
- int CtlNum; Controller number
- ByteIO_t *AiopIOList; List of I/O addresses for each AIOP.
- This list must be in the order the AIOPs will be found on the
- controller. Once an AIOP in the list is not found, it is
- assumed that there are no more AIOPs on the controller.
- int AiopIOListSize; Number of addresses in AiopIOList
- int IRQNum; Interrupt Request number. Can be any of the following:
- 0: Disable global interrupts
- 3: IRQ 3
- 4: IRQ 4
- 5: IRQ 5
- 9: IRQ 9
- 10: IRQ 10
- 11: IRQ 11
- 12: IRQ 12
- 15: IRQ 15
- Byte_t Frequency: A flag identifying the frequency
- of the periodic interrupt, can be any one of the following:
- FREQ_DIS - periodic interrupt disabled
- FREQ_137HZ - 137 Hertz
- FREQ_69HZ - 69 Hertz
- FREQ_34HZ - 34 Hertz
- FREQ_17HZ - 17 Hertz
- FREQ_9HZ - 9 Hertz
- FREQ_4HZ - 4 Hertz
- If IRQNum is set to 0 the Frequency parameter is
- overidden, it is forced to a value of FREQ_DIS.
- int PeriodicOnly: 1 if all interrupts except the periodic
- interrupt are to be blocked.
- 0 is both the periodic interrupt and
- other channel interrupts are allowed.
- If IRQNum is set to 0 the PeriodicOnly parameter is
- overidden, it is forced to a value of 0.
-Return: int: Number of AIOPs on the controller, or CTLID_NULL if controller
- initialization failed.
-
-Comments:
- If periodic interrupts are to be disabled but AIOP interrupts
- are allowed, set Frequency to FREQ_DIS and PeriodicOnly to 0.
-
- If interrupts are to be completely disabled set IRQNum to 0.
-
- Setting Frequency to FREQ_DIS and PeriodicOnly to 1 is an
- invalid combination.
-
- This function performs initialization of global interrupt modes,
- but it does not actually enable global interrupts. To enable
- and disable global interrupts use functions sEnGlobalInt() and
- sDisGlobalInt(). Enabling of global interrupts is normally not
- done until all other initializations are complete.
-
- Even if interrupts are globally enabled, they must also be
- individually enabled for each channel that is to generate
- interrupts.
-
-Warnings: No range checking on any of the parameters is done.
-
- No context switches are allowed while executing this function.
-
- After this function all AIOPs on the controller are disabled,
- they can be enabled with sEnAiop().
-*/
-static int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
- ByteIO_t * AiopIOList, int AiopIOListSize,
- WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
- int PeriodicOnly, int altChanRingIndicator,
- int UPCIRingInd)
-{
- int i;
- ByteIO_t io;
-
- CtlP->AltChanRingIndicator = altChanRingIndicator;
- CtlP->UPCIRingInd = UPCIRingInd;
- CtlP->CtlNum = CtlNum;
- CtlP->CtlID = CTLID_0001; /* controller release 1 */
- CtlP->BusType = isPCI; /* controller release 1 */
-
- if (ConfigIO) {
- CtlP->isUPCI = 1;
- CtlP->PCIIO = ConfigIO + _PCI_9030_INT_CTRL;
- CtlP->PCIIO2 = ConfigIO + _PCI_9030_GPIO_CTRL;
- CtlP->AiopIntrBits = upci_aiop_intr_bits;
- } else {
- CtlP->isUPCI = 0;
- CtlP->PCIIO =
- (WordIO_t) ((ByteIO_t) AiopIOList[0] + _PCI_INT_FUNC);
- CtlP->AiopIntrBits = aiop_intr_bits;
- }
-
- sPCIControllerEOI(CtlP); /* clear EOI if warm init */
- /* Init AIOPs */
- CtlP->NumAiop = 0;
- for (i = 0; i < AiopIOListSize; i++) {
- io = AiopIOList[i];
- CtlP->AiopIO[i] = (WordIO_t) io;
- CtlP->AiopIntChanIO[i] = io + _INT_CHAN;
-
- CtlP->AiopID[i] = sReadAiopID(io); /* read AIOP ID */
- if (CtlP->AiopID[i] == AIOPID_NULL) /* if AIOP does not exist */
- break; /* done looking for AIOPs */
-
- CtlP->AiopNumChan[i] = sReadAiopNumChan((WordIO_t) io); /* num channels in AIOP */
- sOutW((WordIO_t) io + _INDX_ADDR, _CLK_PRE); /* clock prescaler */
- sOutB(io + _INDX_DATA, sClockPrescale);
- CtlP->NumAiop++; /* bump count of AIOPs */
- }
-
- if (CtlP->NumAiop == 0)
- return (-1);
- else
- return (CtlP->NumAiop);
-}
-
-/* Resets the speaker controller on RocketModem II and III devices */
-static void rmSpeakerReset(CONTROLLER_T * CtlP, unsigned long model)
-{
- ByteIO_t addr;
-
- /* RocketModem II speaker control is at the 8th port location of offset 0x40 */
- if ((model == MODEL_RP4M) || (model == MODEL_RP6M)) {
- addr = CtlP->AiopIO[0] + 0x4F;
- sOutB(addr, 0);
- }
-
- /* RocketModem III speaker control is at the 1st port location of offset 0x80 */
- if ((model == MODEL_UPCI_RM3_8PORT)
- || (model == MODEL_UPCI_RM3_4PORT)) {
- addr = CtlP->AiopIO[0] + 0x88;
- sOutB(addr, 0);
- }
-}
-#endif
-
/***************************************************************************
Function: sReadAiopID
Purpose: Read the AIOP idenfication number directly from an AIOP.
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 46528d57be72..86c00b1c5583 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -2755,7 +2755,7 @@ static void __init serial8250_isa_init_ports(void)
if (nr_uarts > UART_NR)
nr_uarts = UART_NR;
- for (i = 0; i < UART_NR; i++) {
+ for (i = 0; i < nr_uarts; i++) {
struct uart_8250_port *up = &serial8250_ports[i];
struct uart_port *port = &up->port;
@@ -2916,7 +2916,7 @@ static int __init serial8250_console_setup(struct console *co, char *options)
* if so, search for the first available port that does have
* console support.
*/
- if (co->index >= UART_NR)
+ if (co->index >= nr_uarts)
co->index = 0;
port = &serial8250_ports[co->index].port;
if (!port->iobase && !port->membase)
@@ -2957,7 +2957,7 @@ int serial8250_find_port(struct uart_port *p)
int line;
struct uart_port *port;
- for (line = 0; line < UART_NR; line++) {
+ for (line = 0; line < nr_uarts; line++) {
port = &serial8250_ports[line].port;
if (uart_match_port(p, port))
return line;
@@ -3110,7 +3110,7 @@ static int serial8250_remove(struct platform_device *dev)
{
int i;
- for (i = 0; i < UART_NR; i++) {
+ for (i = 0; i < nr_uarts; i++) {
struct uart_8250_port *up = &serial8250_ports[i];
if (up->port.dev == &dev->dev)
@@ -3178,7 +3178,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *
/*
* First, find a port entry which matches.
*/
- for (i = 0; i < UART_NR; i++)
+ for (i = 0; i < nr_uarts; i++)
if (uart_match_port(&serial8250_ports[i].port, port))
return &serial8250_ports[i];
@@ -3187,7 +3187,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *
* free entry. We look for one which hasn't been previously
* used (indicated by zero iobase).
*/
- for (i = 0; i < UART_NR; i++)
+ for (i = 0; i < nr_uarts; i++)
if (serial8250_ports[i].port.type == PORT_UNKNOWN &&
serial8250_ports[i].port.iobase == 0)
return &serial8250_ports[i];
@@ -3196,7 +3196,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *
* That also failed. Last resort is to find any entry which
* doesn't have a real port associated with it.
*/
- for (i = 0; i < UART_NR; i++)
+ for (i = 0; i < nr_uarts; i++)
if (serial8250_ports[i].port.type == PORT_UNKNOWN)
return &serial8250_ports[i];
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index beaa283f5cc6..d07b6af3a937 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -338,7 +338,8 @@ static int dw8250_runtime_suspend(struct device *dev)
{
struct dw8250_data *data = dev_get_drvdata(dev);
- clk_disable_unprepare(data->clk);
+ if (!IS_ERR(data->clk))
+ clk_disable_unprepare(data->clk);
return 0;
}
@@ -347,7 +348,8 @@ static int dw8250_runtime_resume(struct device *dev)
{
struct dw8250_data *data = dev_get_drvdata(dev);
- clk_prepare_enable(data->clk);
+ if (!IS_ERR(data->clk))
+ clk_prepare_enable(data->clk);
return 0;
}
@@ -367,6 +369,7 @@ MODULE_DEVICE_TABLE(of, dw8250_of_match);
static const struct acpi_device_id dw8250_acpi_match[] = {
{ "INT33C4", 0 },
{ "INT33C5", 0 },
+ { "80860F0A", 0 },
{ },
};
MODULE_DEVICE_TABLE(acpi, dw8250_acpi_match);
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 8ab70a620919..e2774f9ecd59 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -332,7 +332,7 @@ static void pl011_dma_probe_initcall(struct device *dev, struct uart_amba_port *
dmaengine_slave_config(chan, &rx_conf);
uap->dmarx.chan = chan;
- if (plat->dma_rx_poll_enable) {
+ if (plat && plat->dma_rx_poll_enable) {
/* Set poll rate if specified. */
if (plat->dma_rx_poll_rate) {
uap->dmarx.auto_poll_rate = false;
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 147c9e193595..8cdfbd365892 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -761,6 +761,8 @@ static int imx_startup(struct uart_port *port)
temp = readl(sport->port.membase + UCR2);
temp |= (UCR2_RXEN | UCR2_TXEN);
+ if (!sport->have_rtscts)
+ temp |= UCR2_IRTS;
writel(temp, sport->port.membase + UCR2);
if (USE_IRDA(sport)) {
diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c
index e956377a38fe..65be0c00c4bf 100644
--- a/drivers/tty/serial/mcf.c
+++ b/drivers/tty/serial/mcf.c
@@ -707,8 +707,10 @@ static int __init mcf_init(void)
if (rc)
return rc;
rc = platform_driver_register(&mcf_platform_driver);
- if (rc)
+ if (rc) {
+ uart_unregister_driver(&mcf_driver);
return rc;
+ }
return 0;
}
diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c
index 018bad922554..f51b280f3bf2 100644
--- a/drivers/tty/serial/mpc52xx_uart.c
+++ b/drivers/tty/serial/mpc52xx_uart.c
@@ -1497,18 +1497,23 @@ mpc52xx_uart_init(void)
if (psc_ops && psc_ops->fifoc_init) {
ret = psc_ops->fifoc_init();
if (ret)
- return ret;
+ goto err_init;
}
ret = platform_driver_register(&mpc52xx_uart_of_driver);
if (ret) {
printk(KERN_ERR "%s: platform_driver_register failed (%i)\n",
__FILE__, ret);
- uart_unregister_driver(&mpc52xx_uart_driver);
- return ret;
+ goto err_reg;
}
return 0;
+err_reg:
+ if (psc_ops && psc_ops->fifoc_uninit)
+ psc_ops->fifoc_uninit();
+err_init:
+ uart_unregister_driver(&mpc52xx_uart_driver);
+ return ret;
}
static void __exit
diff --git a/drivers/tty/serial/nwpserial.c b/drivers/tty/serial/nwpserial.c
index 77287c54f331..549c70a2a63e 100644
--- a/drivers/tty/serial/nwpserial.c
+++ b/drivers/tty/serial/nwpserial.c
@@ -199,7 +199,7 @@ static void nwpserial_shutdown(struct uart_port *port)
dcr_write(up->dcr_host, UART_IER, up->ier);
/* free irq */
- free_irq(up->port.irq, port);
+ free_irq(up->port.irq, up);
}
static int nwpserial_verify_port(struct uart_port *port,
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 30d4f7a783cd..f0b9f6b52b32 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -202,26 +202,6 @@ static int serial_omap_get_context_loss_count(struct uart_omap_port *up)
return pdata->get_context_loss_count(up->dev);
}
-static void serial_omap_set_forceidle(struct uart_omap_port *up)
-{
- struct omap_uart_port_info *pdata = up->dev->platform_data;
-
- if (!pdata || !pdata->set_forceidle)
- return;
-
- pdata->set_forceidle(up->dev);
-}
-
-static void serial_omap_set_noidle(struct uart_omap_port *up)
-{
- struct omap_uart_port_info *pdata = up->dev->platform_data;
-
- if (!pdata || !pdata->set_noidle)
- return;
-
- pdata->set_noidle(up->dev);
-}
-
static void serial_omap_enable_wakeup(struct uart_omap_port *up, bool enable)
{
struct omap_uart_port_info *pdata = up->dev->platform_data;
@@ -298,8 +278,6 @@ static void serial_omap_stop_tx(struct uart_port *port)
serial_out(up, UART_IER, up->ier);
}
- serial_omap_set_forceidle(up);
-
pm_runtime_mark_last_busy(up->dev);
pm_runtime_put_autosuspend(up->dev);
}
@@ -364,7 +342,6 @@ static void serial_omap_start_tx(struct uart_port *port)
pm_runtime_get_sync(up->dev);
serial_omap_enable_ier_thri(up);
- serial_omap_set_noidle(up);
pm_runtime_mark_last_busy(up->dev);
pm_runtime_put_autosuspend(up->dev);
}
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 074b9194144f..0c8a9fa2be6c 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1166,6 +1166,18 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
ourport->tx_irq = ret;
ourport->clk = clk_get(&platdev->dev, "uart");
+ if (IS_ERR(ourport->clk)) {
+ pr_err("%s: Controller clock not found\n",
+ dev_name(&platdev->dev));
+ return PTR_ERR(ourport->clk);
+ }
+
+ ret = clk_prepare_enable(ourport->clk);
+ if (ret) {
+ pr_err("uart: clock failed to prepare+enable: %d\n", ret);
+ clk_put(ourport->clk);
+ return ret;
+ }
/* Keep all interrupts masked and cleared */
if (s3c24xx_serial_has_interrupt_mask(port)) {
@@ -1180,6 +1192,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
/* reset the fifos (and setup the uart) */
s3c24xx_serial_resetport(port, cfg);
+ clk_disable_unprepare(ourport->clk);
return 0;
}
@@ -1803,6 +1816,7 @@ static int __init s3c24xx_serial_modinit(void)
static void __exit s3c24xx_serial_modexit(void)
{
+ platform_driver_unregister(&samsung_serial_driver);
uart_unregister_driver(&s3c24xx_uart_drv);
}
diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c
index 6953dc82850c..a4fdce74f883 100644
--- a/drivers/tty/tty_audit.c
+++ b/drivers/tty/tty_audit.c
@@ -60,24 +60,22 @@ static void tty_audit_buf_put(struct tty_audit_buf *buf)
tty_audit_buf_free(buf);
}
-static void tty_audit_log(const char *description, struct task_struct *tsk,
- kuid_t loginuid, unsigned sessionid, int major,
- int minor, unsigned char *data, size_t size)
+static void tty_audit_log(const char *description, int major, int minor,
+ unsigned char *data, size_t size)
{
struct audit_buffer *ab;
+ struct task_struct *tsk = current;
+ uid_t uid = from_kuid(&init_user_ns, task_uid(tsk));
+ uid_t loginuid = from_kuid(&init_user_ns, audit_get_loginuid(tsk));
+ u32 sessionid = audit_get_sessionid(tsk);
ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_TTY);
if (ab) {
char name[sizeof(tsk->comm)];
- kuid_t uid = task_uid(tsk);
-
- audit_log_format(ab, "%s pid=%u uid=%u auid=%u ses=%u "
- "major=%d minor=%d comm=", description,
- tsk->pid,
- from_kuid(&init_user_ns, uid),
- from_kuid(&init_user_ns, loginuid),
- sessionid,
- major, minor);
+
+ audit_log_format(ab, "%s pid=%u uid=%u auid=%u ses=%u major=%d"
+ " minor=%d comm=", description, tsk->pid, uid,
+ loginuid, sessionid, major, minor);
get_task_comm(name, tsk);
audit_log_untrustedstring(ab, name);
audit_log_format(ab, " data=");
@@ -90,11 +88,9 @@ static void tty_audit_log(const char *description, struct task_struct *tsk,
* tty_audit_buf_push - Push buffered data out
*
* Generate an audit message from the contents of @buf, which is owned by
- * @tsk with @loginuid. @buf->mutex must be locked.
+ * the current task. @buf->mutex must be locked.
*/
-static void tty_audit_buf_push(struct task_struct *tsk, kuid_t loginuid,
- unsigned int sessionid,
- struct tty_audit_buf *buf)
+static void tty_audit_buf_push(struct tty_audit_buf *buf)
{
if (buf->valid == 0)
return;
@@ -102,25 +98,11 @@ static void tty_audit_buf_push(struct task_struct *tsk, kuid_t loginuid,
buf->valid = 0;
return;
}
- tty_audit_log("tty", tsk, loginuid, sessionid, buf->major, buf->minor,
- buf->data, buf->valid);
+ tty_audit_log("tty", buf->major, buf->minor, buf->data, buf->valid);
buf->valid = 0;
}
/**
- * tty_audit_buf_push_current - Push buffered data out
- *
- * Generate an audit message from the contents of @buf, which is owned by
- * the current task. @buf->mutex must be locked.
- */
-static void tty_audit_buf_push_current(struct tty_audit_buf *buf)
-{
- kuid_t auid = audit_get_loginuid(current);
- unsigned int sessionid = audit_get_sessionid(current);
- tty_audit_buf_push(current, auid, sessionid, buf);
-}
-
-/**
* tty_audit_exit - Handle a task exit
*
* Make sure all buffered data is written out and deallocate the buffer.
@@ -130,15 +112,13 @@ void tty_audit_exit(void)
{
struct tty_audit_buf *buf;
- spin_lock_irq(&current->sighand->siglock);
buf = current->signal->tty_audit_buf;
current->signal->tty_audit_buf = NULL;
- spin_unlock_irq(&current->sighand->siglock);
if (!buf)
return;
mutex_lock(&buf->mutex);
- tty_audit_buf_push_current(buf);
+ tty_audit_buf_push(buf);
mutex_unlock(&buf->mutex);
tty_audit_buf_put(buf);
@@ -151,9 +131,8 @@ void tty_audit_exit(void)
*/
void tty_audit_fork(struct signal_struct *sig)
{
- spin_lock_irq(&current->sighand->siglock);
sig->audit_tty = current->signal->audit_tty;
- spin_unlock_irq(&current->sighand->siglock);
+ sig->audit_tty_log_passwd = current->signal->audit_tty_log_passwd;
}
/**
@@ -163,20 +142,21 @@ void tty_audit_tiocsti(struct tty_struct *tty, char ch)
{
struct tty_audit_buf *buf;
int major, minor, should_audit;
+ unsigned long flags;
- spin_lock_irq(&current->sighand->siglock);
+ spin_lock_irqsave(&current->sighand->siglock, flags);
should_audit = current->signal->audit_tty;
buf = current->signal->tty_audit_buf;
if (buf)
atomic_inc(&buf->count);
- spin_unlock_irq(&current->sighand->siglock);
+ spin_unlock_irqrestore(&current->sighand->siglock, flags);
major = tty->driver->major;
minor = tty->driver->minor_start + tty->index;
if (buf) {
mutex_lock(&buf->mutex);
if (buf->major == major && buf->minor == minor)
- tty_audit_buf_push_current(buf);
+ tty_audit_buf_push(buf);
mutex_unlock(&buf->mutex);
tty_audit_buf_put(buf);
}
@@ -187,24 +167,20 @@ void tty_audit_tiocsti(struct tty_struct *tty, char ch)
auid = audit_get_loginuid(current);
sessionid = audit_get_sessionid(current);
- tty_audit_log("ioctl=TIOCSTI", current, auid, sessionid, major,
- minor, &ch, 1);
+ tty_audit_log("ioctl=TIOCSTI", major, minor, &ch, 1);
}
}
/**
- * tty_audit_push_task - Flush task's pending audit data
- * @tsk: task pointer
- * @loginuid: sender login uid
- * @sessionid: sender session id
+ * tty_audit_push_current - Flush current's pending audit data
*
- * Called with a ref on @tsk held. Try to lock sighand and get a
- * reference to the tty audit buffer if available.
+ * Try to lock sighand and get a reference to the tty audit buffer if available.
* Flush the buffer or return an appropriate error code.
*/
-int tty_audit_push_task(struct task_struct *tsk, kuid_t loginuid, u32 sessionid)
+int tty_audit_push_current(void)
{
struct tty_audit_buf *buf = ERR_PTR(-EPERM);
+ struct task_struct *tsk = current;
unsigned long flags;
if (!lock_task_sighand(tsk, &flags))
@@ -225,7 +201,7 @@ int tty_audit_push_task(struct task_struct *tsk, kuid_t loginuid, u32 sessionid)
return PTR_ERR(buf);
mutex_lock(&buf->mutex);
- tty_audit_buf_push(tsk, loginuid, sessionid, buf);
+ tty_audit_buf_push(buf);
mutex_unlock(&buf->mutex);
tty_audit_buf_put(buf);
@@ -243,10 +219,11 @@ static struct tty_audit_buf *tty_audit_buf_get(struct tty_struct *tty,
unsigned icanon)
{
struct tty_audit_buf *buf, *buf2;
+ unsigned long flags;
buf = NULL;
buf2 = NULL;
- spin_lock_irq(&current->sighand->siglock);
+ spin_lock_irqsave(&current->sighand->siglock, flags);
if (likely(!current->signal->audit_tty))
goto out;
buf = current->signal->tty_audit_buf;
@@ -254,7 +231,7 @@ static struct tty_audit_buf *tty_audit_buf_get(struct tty_struct *tty,
atomic_inc(&buf->count);
goto out;
}
- spin_unlock_irq(&current->sighand->siglock);
+ spin_unlock_irqrestore(&current->sighand->siglock, flags);
buf2 = tty_audit_buf_alloc(tty->driver->major,
tty->driver->minor_start + tty->index,
@@ -264,7 +241,7 @@ static struct tty_audit_buf *tty_audit_buf_get(struct tty_struct *tty,
return NULL;
}
- spin_lock_irq(&current->sighand->siglock);
+ spin_lock_irqsave(&current->sighand->siglock, flags);
if (!current->signal->audit_tty)
goto out;
buf = current->signal->tty_audit_buf;
@@ -276,7 +253,7 @@ static struct tty_audit_buf *tty_audit_buf_get(struct tty_struct *tty,
atomic_inc(&buf->count);
/* Fall through */
out:
- spin_unlock_irq(&current->sighand->siglock);
+ spin_unlock_irqrestore(&current->sighand->siglock, flags);
if (buf2)
tty_audit_buf_free(buf2);
return buf;
@@ -292,10 +269,18 @@ void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
{
struct tty_audit_buf *buf;
int major, minor;
+ int audit_log_tty_passwd;
+ unsigned long flags;
if (unlikely(size == 0))
return;
+ spin_lock_irqsave(&current->sighand->siglock, flags);
+ audit_log_tty_passwd = current->signal->audit_tty_log_passwd;
+ spin_unlock_irqrestore(&current->sighand->siglock, flags);
+ if (!audit_log_tty_passwd && icanon && !L_ECHO(tty))
+ return;
+
if (tty->driver->type == TTY_DRIVER_TYPE_PTY
&& tty->driver->subtype == PTY_TYPE_MASTER)
return;
@@ -309,7 +294,7 @@ void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
minor = tty->driver->minor_start + tty->index;
if (buf->major != major || buf->minor != minor
|| buf->icanon != icanon) {
- tty_audit_buf_push_current(buf);
+ tty_audit_buf_push(buf);
buf->major = major;
buf->minor = minor;
buf->icanon = icanon;
@@ -325,7 +310,7 @@ void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
data += run;
size -= run;
if (buf->valid == N_TTY_BUF_SIZE)
- tty_audit_buf_push_current(buf);
+ tty_audit_buf_push(buf);
} while (size != 0);
mutex_unlock(&buf->mutex);
tty_audit_buf_put(buf);
@@ -339,16 +324,17 @@ void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
void tty_audit_push(struct tty_struct *tty)
{
struct tty_audit_buf *buf;
+ unsigned long flags;
- spin_lock_irq(&current->sighand->siglock);
+ spin_lock_irqsave(&current->sighand->siglock, flags);
if (likely(!current->signal->audit_tty)) {
- spin_unlock_irq(&current->sighand->siglock);
+ spin_unlock_irqrestore(&current->sighand->siglock, flags);
return;
}
buf = current->signal->tty_audit_buf;
if (buf)
atomic_inc(&buf->count);
- spin_unlock_irq(&current->sighand->siglock);
+ spin_unlock_irqrestore(&current->sighand->siglock, flags);
if (buf) {
int major, minor;
@@ -357,7 +343,7 @@ void tty_audit_push(struct tty_struct *tty)
minor = tty->driver->minor_start + tty->index;
mutex_lock(&buf->mutex);
if (buf->major == major && buf->minor == minor)
- tty_audit_buf_push_current(buf);
+ tty_audit_buf_push(buf);
mutex_unlock(&buf->mutex);
tty_audit_buf_put(buf);
}
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index fbd447b390f7..740202d8a5c4 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -779,7 +779,6 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
con_set_default_unimap(vc);
vc->vc_screenbuf = kmalloc(vc->vc_screenbuf_size, GFP_KERNEL);
if (!vc->vc_screenbuf) {
- tty_port_destroy(&vc->port);
kfree(vc);
vc_cons[currcons].d = NULL;
return -ENOMEM;
@@ -986,26 +985,25 @@ static int vt_resize(struct tty_struct *tty, struct winsize *ws)
return ret;
}
-void vc_deallocate(unsigned int currcons)
+struct vc_data *vc_deallocate(unsigned int currcons)
{
+ struct vc_data *vc = NULL;
+
WARN_CONSOLE_UNLOCKED();
if (vc_cons_allocated(currcons)) {
- struct vc_data *vc = vc_cons[currcons].d;
- struct vt_notifier_param param = { .vc = vc };
+ struct vt_notifier_param param;
+ param.vc = vc = vc_cons[currcons].d;
atomic_notifier_call_chain(&vt_notifier_list, VT_DEALLOCATE, &param);
vcs_remove_sysfs(currcons);
vc->vc_sw->con_deinit(vc);
put_pid(vc->vt_pid);
module_put(vc->vc_sw->owner);
kfree(vc->vc_screenbuf);
- if (currcons >= MIN_NR_CONSOLES) {
- tty_port_destroy(&vc->port);
- kfree(vc);
- }
vc_cons[currcons].d = NULL;
}
+ return vc;
}
/*
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 98ff1735eafc..fc2c06c66e89 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -283,6 +283,51 @@ do_unimap_ioctl(int cmd, struct unimapdesc __user *user_ud, int perm, struct vc_
return 0;
}
+/* deallocate a single console, if possible (leave 0) */
+static int vt_disallocate(unsigned int vc_num)
+{
+ struct vc_data *vc = NULL;
+ int ret = 0;
+
+ if (!vc_num)
+ return 0;
+
+ console_lock();
+ if (VT_BUSY(vc_num))
+ ret = -EBUSY;
+ else
+ vc = vc_deallocate(vc_num);
+ console_unlock();
+
+ if (vc && vc_num >= MIN_NR_CONSOLES) {
+ tty_port_destroy(&vc->port);
+ kfree(vc);
+ }
+
+ return ret;
+}
+
+/* deallocate all unused consoles, but leave 0 */
+static void vt_disallocate_all(void)
+{
+ struct vc_data *vc[MAX_NR_CONSOLES];
+ int i;
+
+ console_lock();
+ for (i = 1; i < MAX_NR_CONSOLES; i++)
+ if (!VT_BUSY(i))
+ vc[i] = vc_deallocate(i);
+ else
+ vc[i] = NULL;
+ console_unlock();
+
+ for (i = 1; i < MAX_NR_CONSOLES; i++) {
+ if (vc[i] && i >= MIN_NR_CONSOLES) {
+ tty_port_destroy(&vc[i]->port);
+ kfree(vc[i]);
+ }
+ }
+}
/*
@@ -769,24 +814,10 @@ int vt_ioctl(struct tty_struct *tty,
ret = -ENXIO;
break;
}
- if (arg == 0) {
- /* deallocate all unused consoles, but leave 0 */
- console_lock();
- for (i=1; i<MAX_NR_CONSOLES; i++)
- if (! VT_BUSY(i))
- vc_deallocate(i);
- console_unlock();
- } else {
- /* deallocate a single console, if possible */
- arg--;
- if (VT_BUSY(arg))
- ret = -EBUSY;
- else if (arg) { /* leave 0 */
- console_lock();
- vc_deallocate(arg);
- console_unlock();
- }
- }
+ if (arg == 0)
+ vt_disallocate_all();
+ else
+ ret = vt_disallocate(--arg);
break;
case VT_RESIZE:
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-06 15:58:41 +0000