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authorGreg Kroah-Hartman <gregkh@google.com>2021-01-12 20:12:35 +0100
committerGreg Kroah-Hartman <gregkh@google.com>2021-01-12 20:12:35 +0100
commit5b71d910cb54007b08b0d5258594fa9dabf74d06 (patch)
tree5269d2d26e56b95277fec7a70bb800db4371b7bd /lib
parent007abb8a0a94643e4af9573ccd40420dcb893c5f (diff)
parent5df68d9462bf3c64c9a788faee26b259c3fbf896 (diff)
Merge 4.4.251 into android-4.4-p
Changes in 4.4.251 kbuild: don't hardcode depmod path workqueue: Kick a worker based on the actual activation of delayed works lib/genalloc: fix the overflow when size is too big depmod: handle the case of /sbin/depmod without /sbin in PATH atm: idt77252: call pci_disable_device() on error path ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst() net: hns: fix return value check in __lb_other_process() net: hdlc_ppp: Fix issues when mod_timer is called while timer is running CDC-NCM: remove "connected" log message vhost_net: fix ubuf refcount incorrectly when sendmsg fails net: sched: prevent invalid Scell_log shift count virtio_net: Fix recursive call to cpus_read_lock() ethernet: ucc_geth: fix use-after-free in ucc_geth_remove() video: hyperv_fb: Fix the mmap() regression for v5.4.y and older usb: gadget: enable super speed plus USB: cdc-acm: blacklist another IR Droid device usb: chipidea: ci_hdrc_imx: add missing put_device() call in usbmisc_get_init_data() USB: xhci: fix U1/U2 handling for hardware with XHCI_INTEL_HOST quirk set usb: uas: Add PNY USB Portable SSD to unusual_uas USB: serial: iuu_phoenix: fix DMA from stack USB: serial: option: add LongSung M5710 module support USB: yurex: fix control-URB timeout handling USB: usblp: fix DMA to stack ALSA: usb-audio: Fix UBSAN warnings for MIDI jacks usb: gadget: select CONFIG_CRC32 usb: gadget: f_uac2: reset wMaxPacketSize usb: gadget: function: printer: Fix a memory leak for interface descriptor USB: gadget: legacy: fix return error code in acm_ms_bind() usb: gadget: Fix spinlock lockup on usb_function_deactivate usb: gadget: configfs: Preserve function ordering after bind failure USB: serial: keyspan_pda: remove unused variable x86/mm: Fix leak of pmd ptlock ALSA: hda/conexant: add a new hda codec CX11970 Revert "device property: Keep secondary firmware node secondary by type" netfilter: ipset: fix shift-out-of-bounds in htable_bits() netfilter: xt_RATEEST: reject non-null terminated string from userspace x86/mtrr: Correct the range check before performing MTRR type lookups Linux 4.4.251 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ic1f58f780b773ada8027b13b863c26e9d3e97e17
Diffstat (limited to 'lib')
-rw-r--r--lib/genalloc.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/lib/genalloc.c b/lib/genalloc.c
index e3a475b14e26..b8ac0450a2a6 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -83,14 +83,14 @@ static int clear_bits_ll(unsigned long *addr, unsigned long mask_to_clear)
* users set the same bit, one user will return remain bits, otherwise
* return 0.
*/
-static int bitmap_set_ll(unsigned long *map, int start, int nr)
+static int bitmap_set_ll(unsigned long *map, unsigned long start, unsigned long nr)
{
unsigned long *p = map + BIT_WORD(start);
- const int size = start + nr;
+ const unsigned long size = start + nr;
int bits_to_set = BITS_PER_LONG - (start % BITS_PER_LONG);
unsigned long mask_to_set = BITMAP_FIRST_WORD_MASK(start);
- while (nr - bits_to_set >= 0) {
+ while (nr >= bits_to_set) {
if (set_bits_ll(p, mask_to_set))
return nr;
nr -= bits_to_set;
@@ -118,14 +118,15 @@ static int bitmap_set_ll(unsigned long *map, int start, int nr)
* users clear the same bit, one user will return remain bits,
* otherwise return 0.
*/
-static int bitmap_clear_ll(unsigned long *map, int start, int nr)
+static unsigned long
+bitmap_clear_ll(unsigned long *map, unsigned long start, unsigned long nr)
{
unsigned long *p = map + BIT_WORD(start);
- const int size = start + nr;
+ const unsigned long size = start + nr;
int bits_to_clear = BITS_PER_LONG - (start % BITS_PER_LONG);
unsigned long mask_to_clear = BITMAP_FIRST_WORD_MASK(start);
- while (nr - bits_to_clear >= 0) {
+ while (nr >= bits_to_clear) {
if (clear_bits_ll(p, mask_to_clear))
return nr;
nr -= bits_to_clear;
@@ -184,8 +185,8 @@ int gen_pool_add_virt(struct gen_pool *pool, unsigned long virt, phys_addr_t phy
size_t size, int nid)
{
struct gen_pool_chunk *chunk;
- int nbits = size >> pool->min_alloc_order;
- int nbytes = sizeof(struct gen_pool_chunk) +
+ unsigned long nbits = size >> pool->min_alloc_order;
+ unsigned long nbytes = sizeof(struct gen_pool_chunk) +
BITS_TO_LONGS(nbits) * sizeof(long);
chunk = vzalloc_node(nbytes, nid);
@@ -242,7 +243,7 @@ void gen_pool_destroy(struct gen_pool *pool)
struct list_head *_chunk, *_next_chunk;
struct gen_pool_chunk *chunk;
int order = pool->min_alloc_order;
- int bit, end_bit;
+ unsigned long bit, end_bit;
list_for_each_safe(_chunk, _next_chunk, &pool->chunks) {
chunk = list_entry(_chunk, struct gen_pool_chunk, next_chunk);
@@ -274,7 +275,7 @@ unsigned long gen_pool_alloc(struct gen_pool *pool, size_t size)
struct gen_pool_chunk *chunk;
unsigned long addr = 0;
int order = pool->min_alloc_order;
- int nbits, start_bit, end_bit, remain;
+ unsigned long nbits, start_bit, end_bit, remain;
#ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
BUG_ON(in_nmi());
@@ -357,7 +358,7 @@ void gen_pool_free(struct gen_pool *pool, unsigned long addr, size_t size)
{
struct gen_pool_chunk *chunk;
int order = pool->min_alloc_order;
- int start_bit, nbits, remain;
+ unsigned long start_bit, nbits, remain;
#ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
BUG_ON(in_nmi());
@@ -553,7 +554,7 @@ unsigned long gen_pool_best_fit(unsigned long *map, unsigned long size,
index = bitmap_find_next_zero_area(map, size, start, nr, 0);
while (index < size) {
- int next_bit = find_next_bit(map, size, index + nr);
+ unsigned long next_bit = find_next_bit(map, size, index + nr);
if ((next_bit - index) < len) {
len = next_bit - index;
start_bit = index;