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-rw-r--r--lib/Kconfig.debug5
-rw-r--r--lib/Makefile2
-rw-r--r--lib/cpumask.c1
-rw-r--r--lib/crc32.c1
-rw-r--r--lib/debugobjects.c1
-rw-r--r--lib/decompress_unlzo.c22
-rw-r--r--lib/devres.c1
-rw-r--r--lib/dma-debug.c2
-rw-r--r--lib/dynamic_debug.c1
-rw-r--r--lib/flex_array.c2
-rw-r--r--lib/genalloc.c1
-rw-r--r--lib/inflate.c1
-rw-r--r--lib/kasprintf.c1
-rw-r--r--lib/kobject_uevent.c1
-rw-r--r--lib/kref.c1
-rw-r--r--lib/lcm.c15
-rw-r--r--lib/radix-tree.c13
-rw-r--r--lib/ratelimit.c11
-rw-r--r--lib/rwsem-spinlock.c14
-rw-r--r--lib/scatterlist.c1
-rw-r--r--lib/swiotlb.c1
-rw-r--r--lib/textsearch.c1
-rw-r--r--lib/vsprintf.c11
23 files changed, 76 insertions, 34 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 8e5ec5e1ab9..935248bdbc4 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -103,7 +103,8 @@ config HEADERS_CHECK
config DEBUG_SECTION_MISMATCH
bool "Enable full Section mismatch analysis"
- depends on UNDEFINED
+ depends on UNDEFINED || (BLACKFIN)
+ default y
# This option is on purpose disabled for now.
# It will be enabled when we are down to a reasonable number
# of section mismatch warnings (< 10 for an allyesconfig build)
@@ -355,7 +356,7 @@ config SLUB_STATS
config DEBUG_KMEMLEAK
bool "Kernel memory leak detector"
depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
- (X86 || ARM || PPC || S390 || SUPERH)
+ (X86 || ARM || PPC || S390 || SPARC64 || SUPERH || MICROBLAZE)
select DEBUG_FS if SYSFS
select STACKTRACE if STACKTRACE_SUPPORT
diff --git a/lib/Makefile b/lib/Makefile
index 2e152aed719..0d4015205c6 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -21,7 +21,7 @@ lib-y += kobject.o kref.o klist.o
obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
- string_helpers.o gcd.o list_sort.o
+ string_helpers.o gcd.o lcm.o list_sort.o
ifeq ($(CONFIG_DEBUG_KOBJECT),y)
CFLAGS_kobject.o += -DDEBUG
diff --git a/lib/cpumask.c b/lib/cpumask.c
index 7bb4142a502..05d6aca7fc1 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -1,3 +1,4 @@
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/cpumask.h>
diff --git a/lib/crc32.c b/lib/crc32.c
index 0f45fbff34c..bc5b936e914 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -25,7 +25,6 @@
#include <linux/module.h>
#include <linux/compiler.h>
#include <linux/types.h>
-#include <linux/slab.h>
#include <linux/init.h>
#include <asm/atomic.h>
#include "crc32defs.h"
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index a9a8996d286..b862b30369f 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -12,6 +12,7 @@
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
+#include <linux/slab.h>
#include <linux/hash.h>
#define ODEBUG_HASH_BITS 14
diff --git a/lib/decompress_unlzo.c b/lib/decompress_unlzo.c
index db521f45626..bcb3a4bd68f 100644
--- a/lib/decompress_unlzo.c
+++ b/lib/decompress_unlzo.c
@@ -97,7 +97,7 @@ STATIC inline int INIT unlzo(u8 *input, int in_len,
u32 src_len, dst_len;
size_t tmp;
u8 *in_buf, *in_buf_save, *out_buf;
- int obytes_processed = 0;
+ int ret = -1;
set_error_fn(error_fn);
@@ -174,15 +174,22 @@ STATIC inline int INIT unlzo(u8 *input, int in_len,
/* decompress */
tmp = dst_len;
- r = lzo1x_decompress_safe((u8 *) in_buf, src_len,
+
+ /* When the input data is not compressed at all,
+ * lzo1x_decompress_safe will fail, so call memcpy()
+ * instead */
+ if (unlikely(dst_len == src_len))
+ memcpy(out_buf, in_buf, src_len);
+ else {
+ r = lzo1x_decompress_safe((u8 *) in_buf, src_len,
out_buf, &tmp);
- if (r != LZO_E_OK || dst_len != tmp) {
- error("Compressed data violation");
- goto exit_2;
+ if (r != LZO_E_OK || dst_len != tmp) {
+ error("Compressed data violation");
+ goto exit_2;
+ }
}
- obytes_processed += dst_len;
if (flush)
flush(out_buf, dst_len);
if (output)
@@ -196,6 +203,7 @@ STATIC inline int INIT unlzo(u8 *input, int in_len,
in_buf += src_len;
}
+ ret = 0;
exit_2:
if (!input)
free(in_buf);
@@ -203,7 +211,7 @@ exit_1:
if (!output)
free(out_buf);
exit:
- return obytes_processed;
+ return ret;
}
#define decompress unlzo
diff --git a/lib/devres.c b/lib/devres.c
index 72c8909006d..49368608f98 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -1,5 +1,6 @@
#include <linux/pci.h>
#include <linux/io.h>
+#include <linux/gfp.h>
#include <linux/module.h>
void devm_ioremap_release(struct device *dev, void *res)
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index ba8b67039d1..01e64270e24 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -570,7 +570,7 @@ static ssize_t filter_write(struct file *file, const char __user *userbuf,
* Now parse out the first token and use it as the name for the
* driver to filter for.
*/
- for (i = 0; i < NAME_MAX_LEN; ++i) {
+ for (i = 0; i < NAME_MAX_LEN - 1; ++i) {
current_driver_name[i] = buf[i];
if (isspace(buf[i]) || buf[i] == ' ' || buf[i] == 0)
break;
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index f9350291598..d6b8b9b1abf 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -25,6 +25,7 @@
#include <linux/uaccess.h>
#include <linux/dynamic_debug.h>
#include <linux/debugfs.h>
+#include <linux/slab.h>
extern struct _ddebug __start___verbose[];
extern struct _ddebug __stop___verbose[];
diff --git a/lib/flex_array.c b/lib/flex_array.c
index 66eef2e4483..41b1804fa72 100644
--- a/lib/flex_array.c
+++ b/lib/flex_array.c
@@ -99,7 +99,7 @@ struct flex_array *flex_array_alloc(int element_size, unsigned int total,
ret->element_size = element_size;
ret->total_nr_elements = total;
if (elements_fit_in_base(ret) && !(flags & __GFP_ZERO))
- memset(ret->parts[0], FLEX_ARRAY_FREE,
+ memset(&ret->parts[0], FLEX_ARRAY_FREE,
FLEX_ARRAY_BASE_BYTES_LEFT);
return ret;
}
diff --git a/lib/genalloc.c b/lib/genalloc.c
index e67f97495dd..736c3b06398 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -10,6 +10,7 @@
* Version 2. See the file COPYING for more details.
*/
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/bitmap.h>
#include <linux/genalloc.h>
diff --git a/lib/inflate.c b/lib/inflate.c
index d10255973a9..677b738c220 100644
--- a/lib/inflate.c
+++ b/lib/inflate.c
@@ -103,6 +103,7 @@
the two sets of lengths.
*/
#include <linux/compiler.h>
+#include <linux/slab.h>
#ifdef RCSID
static char rcsid[] = "#Id: inflate.c,v 0.14 1993/06/10 13:27:04 jloup Exp #";
diff --git a/lib/kasprintf.c b/lib/kasprintf.c
index c5ff1fd1003..9c4233b2378 100644
--- a/lib/kasprintf.c
+++ b/lib/kasprintf.c
@@ -6,6 +6,7 @@
#include <stdarg.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/types.h>
#include <linux/string.h>
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index c9d3a3e8405..7b48d44ced6 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -18,6 +18,7 @@
#include <linux/string.h>
#include <linux/kobject.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/socket.h>
#include <linux/skbuff.h>
diff --git a/lib/kref.c b/lib/kref.c
index 9ecd6e86561..6d19f690380 100644
--- a/lib/kref.c
+++ b/lib/kref.c
@@ -13,6 +13,7 @@
#include <linux/kref.h>
#include <linux/module.h>
+#include <linux/slab.h>
/**
* kref_set - initialize object and set refcount to requested number.
diff --git a/lib/lcm.c b/lib/lcm.c
new file mode 100644
index 00000000000..157cd88a6ff
--- /dev/null
+++ b/lib/lcm.c
@@ -0,0 +1,15 @@
+#include <linux/kernel.h>
+#include <linux/gcd.h>
+#include <linux/module.h>
+
+/* Lowest common multiple */
+unsigned long lcm(unsigned long a, unsigned long b)
+{
+ if (a && b)
+ return (a * b) / gcd(a, b);
+ else if (b)
+ return b;
+
+ return a;
+}
+EXPORT_SYMBOL_GPL(lcm);
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 6b9670d6bbf..2a087e0f986 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -28,7 +28,6 @@
#include <linux/slab.h>
#include <linux/notifier.h>
#include <linux/cpu.h>
-#include <linux/gfp.h>
#include <linux/string.h>
#include <linux/bitops.h>
#include <linux/rcupdate.h>
@@ -556,6 +555,10 @@ EXPORT_SYMBOL(radix_tree_tag_clear);
*
* 0: tag not present or not set
* 1: tag set
+ *
+ * Note that the return value of this function may not be relied on, even if
+ * the RCU lock is held, unless tag modification and node deletion are excluded
+ * from concurrency.
*/
int radix_tree_tag_get(struct radix_tree_root *root,
unsigned long index, unsigned int tag)
@@ -596,12 +599,8 @@ int radix_tree_tag_get(struct radix_tree_root *root,
*/
if (!tag_get(node, tag, offset))
saw_unset_tag = 1;
- if (height == 1) {
- int ret = tag_get(node, tag, offset);
-
- BUG_ON(ret && saw_unset_tag);
- return !!ret;
- }
+ if (height == 1)
+ return !!tag_get(node, tag, offset);
node = rcu_dereference_raw(node->slots[offset]);
shift -= RADIX_TREE_MAP_SHIFT;
height--;
diff --git a/lib/ratelimit.c b/lib/ratelimit.c
index 09f5ce1810d..027a03f4c56 100644
--- a/lib/ratelimit.c
+++ b/lib/ratelimit.c
@@ -16,9 +16,14 @@
/*
* __ratelimit - rate limiting
* @rs: ratelimit_state data
+ * @func: name of calling function
*
- * This enforces a rate limit: not more than @rs->ratelimit_burst callbacks
- * in every @rs->ratelimit_jiffies
+ * This enforces a rate limit: not more than @rs->burst callbacks
+ * in every @rs->interval
+ *
+ * RETURNS:
+ * 0 means callbacks will be suppressed.
+ * 1 means go ahead and do it.
*/
int ___ratelimit(struct ratelimit_state *rs, const char *func)
{
@@ -35,7 +40,7 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func)
* the entity that is holding the lock already:
*/
if (!spin_trylock_irqsave(&rs->lock, flags))
- return 1;
+ return 0;
if (!rs->begin)
rs->begin = jiffies;
diff --git a/lib/rwsem-spinlock.c b/lib/rwsem-spinlock.c
index ccf95bff798..ffc9fc7f3b0 100644
--- a/lib/rwsem-spinlock.c
+++ b/lib/rwsem-spinlock.c
@@ -143,13 +143,14 @@ void __sched __down_read(struct rw_semaphore *sem)
{
struct rwsem_waiter waiter;
struct task_struct *tsk;
+ unsigned long flags;
- spin_lock_irq(&sem->wait_lock);
+ spin_lock_irqsave(&sem->wait_lock, flags);
if (sem->activity >= 0 && list_empty(&sem->wait_list)) {
/* granted */
sem->activity++;
- spin_unlock_irq(&sem->wait_lock);
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
goto out;
}
@@ -164,7 +165,7 @@ void __sched __down_read(struct rw_semaphore *sem)
list_add_tail(&waiter.list, &sem->wait_list);
/* we don't need to touch the semaphore struct anymore */
- spin_unlock_irq(&sem->wait_lock);
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
/* wait to be given the lock */
for (;;) {
@@ -209,13 +210,14 @@ void __sched __down_write_nested(struct rw_semaphore *sem, int subclass)
{
struct rwsem_waiter waiter;
struct task_struct *tsk;
+ unsigned long flags;
- spin_lock_irq(&sem->wait_lock);
+ spin_lock_irqsave(&sem->wait_lock, flags);
if (sem->activity == 0 && list_empty(&sem->wait_list)) {
/* granted */
sem->activity = -1;
- spin_unlock_irq(&sem->wait_lock);
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
goto out;
}
@@ -230,7 +232,7 @@ void __sched __down_write_nested(struct rw_semaphore *sem, int subclass)
list_add_tail(&waiter.list, &sem->wait_list);
/* we don't need to touch the semaphore struct anymore */
- spin_unlock_irq(&sem->wait_lock);
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
/* wait to be given the lock */
for (;;) {
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 0d475d8167b..9afa25b52a8 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -7,6 +7,7 @@
* Version 2. See the file COPYING for more details.
*/
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/scatterlist.h>
#include <linux/highmem.h>
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 437eedb5a53..5fddf720da7 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -28,6 +28,7 @@
#include <linux/types.h>
#include <linux/ctype.h>
#include <linux/highmem.h>
+#include <linux/gfp.h>
#include <asm/io.h>
#include <asm/dma.h>
diff --git a/lib/textsearch.c b/lib/textsearch.c
index 9fbcb44c554..d608331b3e4 100644
--- a/lib/textsearch.c
+++ b/lib/textsearch.c
@@ -103,6 +103,7 @@
#include <linux/rcupdate.h>
#include <linux/err.h>
#include <linux/textsearch.h>
+#include <linux/slab.h>
static LIST_HEAD(ts_ops);
static DEFINE_SPINLOCK(ts_mod_lock);
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 24112e5a578..46d34b0b74a 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -118,6 +118,7 @@ long long simple_strtoll(const char *cp, char **endp, unsigned int base)
return simple_strtoull(cp, endp, base);
}
+EXPORT_SYMBOL(simple_strtoll);
/**
* strict_strtoul - convert a string to an unsigned long strictly
@@ -408,12 +409,12 @@ enum format_type {
};
struct printf_spec {
- u16 type;
- s16 field_width; /* width of output field */
+ u8 type; /* format_type enum */
u8 flags; /* flags to number() */
- u8 base;
- s8 precision; /* # of digits/chars */
- u8 qualifier;
+ u8 base; /* number base, 8, 10 or 16 only */
+ u8 qualifier; /* number qualifier, one of 'hHlLtzZ' */
+ s16 field_width; /* width of output field */
+ s16 precision; /* # of digits/chars */
};
static char *number(char *buf, char *end, unsigned long long num,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-23 02:46:14 +0000