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authorGreg Kroah-Hartman <gregkh@google.com>2018-07-17 12:15:52 +0200
committerGreg Kroah-Hartman <gregkh@google.com>2018-07-17 12:15:52 +0200
commitb1bad9e2324dc64a169c232b706615cc92307a6d (patch)
tree03345dda6ace1602de3b52be1c5ee3a10297d93a /drivers/misc
parented9bdc8a8fc520059510c1fd2b5ee8f4390be7cc (diff)
parentb3c6be58aa1056418198c893d8a15ea4e79c8bf1 (diff)
Merge 4.4.141 into android-4.4
Changes in 4.4.141 MIPS: Fix ioremap() RAM check ibmasm: don't write out of bounds in read handler vmw_balloon: fix inflation with batching ahci: Disable LPM on Lenovo 50 series laptops with a too old BIOS USB: serial: ch341: fix type promotion bug in ch341_control_in() USB: serial: cp210x: add another USB ID for Qivicon ZigBee stick USB: serial: keyspan_pda: fix modem-status error handling USB: yurex: fix out-of-bounds uaccess in read handler USB: serial: mos7840: fix status-register error handling usb: quirks: add delay quirks for Corsair Strafe xhci: xhci-mem: off by one in xhci_stream_id_to_ring() HID: usbhid: add quirk for innomedia INNEX GENESIS/ATARI adapter Fix up non-directory creation in SGID directories tools build: fix # escaping in .cmd files for future Make iw_cxgb4: correctly enforce the max reg_mr depth x86/cpufeature: Move some of the scattered feature bits to x86_capability x86/cpufeature: Cleanup get_cpu_cap() x86/cpu: Provide a config option to disable static_cpu_has x86/fpu: Add an XSTATE_OP() macro x86/fpu: Get rid of xstate_fault() x86/headers: Don't include asm/processor.h in asm/atomic.h x86/cpufeature: Carve out X86_FEATURE_* x86/cpufeature: Replace the old static_cpu_has() with safe variant x86/cpufeature: Get rid of the non-asm goto variant x86/alternatives: Add an auxilary section x86/alternatives: Discard dynamic check after init x86/vdso: Use static_cpu_has() x86/boot: Simplify kernel load address alignment check x86/cpufeature: Speed up cpu_feature_enabled() x86/cpufeature, x86/mm/pkeys: Add protection keys related CPUID definitions x86/mm/pkeys: Fix mismerge of protection keys CPUID bits x86/cpu: Add detection of AMD RAS Capabilities x86/cpufeature, x86/mm/pkeys: Fix broken compile-time disabling of pkeys x86/cpufeature: Update cpufeaure macros x86/cpufeature: Make sure DISABLED/REQUIRED macros are updated x86/cpufeature: Add helper macro for mask check macros uprobes/x86: Remove incorrect WARN_ON() in uprobe_init_insn() netfilter: nf_queue: augment nfqa_cfg_policy netfilter: x_tables: initialise match/target check parameter struct loop: add recursion validation to LOOP_CHANGE_FD PM / hibernate: Fix oops at snapshot_write() RDMA/ucm: Mark UCM interface as BROKEN loop: remember whether sysfs_create_group() was done Linux 4.4.141 Change-Id: I777b39a0ede95b58638add97756d6beaf4a9d154 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/ibmasm/ibmasmfs.c27
-rw-r--r--drivers/misc/vmw_balloon.c4
2 files changed, 5 insertions, 26 deletions
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index e8b933111e0d..92109cadc3fc 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -507,35 +507,14 @@ static int remote_settings_file_close(struct inode *inode, struct file *file)
static ssize_t remote_settings_file_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
{
void __iomem *address = (void __iomem *)file->private_data;
- unsigned char *page;
- int retval;
int len = 0;
unsigned int value;
-
- if (*offset < 0)
- return -EINVAL;
- if (count == 0 || count > 1024)
- return 0;
- if (*offset != 0)
- return 0;
-
- page = (unsigned char *)__get_free_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
+ char lbuf[20];
value = readl(address);
- len = sprintf(page, "%d\n", value);
-
- if (copy_to_user(buf, page, len)) {
- retval = -EFAULT;
- goto exit;
- }
- *offset += len;
- retval = len;
+ len = snprintf(lbuf, sizeof(lbuf), "%d\n", value);
-exit:
- free_page((unsigned long)page);
- return retval;
+ return simple_read_from_buffer(buf, count, offset, lbuf, len);
}
static ssize_t remote_settings_file_write(struct file *file, const char __user *ubuff, size_t count, loff_t *offset)
diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
index fe90b7e04427..5e047bfc0cc4 100644
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@ -467,7 +467,7 @@ static int vmballoon_send_batched_lock(struct vmballoon *b,
unsigned int num_pages, bool is_2m_pages, unsigned int *target)
{
unsigned long status;
- unsigned long pfn = page_to_pfn(b->page);
+ unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page));
STATS_INC(b->stats.lock[is_2m_pages]);
@@ -515,7 +515,7 @@ static bool vmballoon_send_batched_unlock(struct vmballoon *b,
unsigned int num_pages, bool is_2m_pages, unsigned int *target)
{
unsigned long status;
- unsigned long pfn = page_to_pfn(b->page);
+ unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page));
STATS_INC(b->stats.unlock[is_2m_pages]);