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-rw-r--r--lib/Kconfig.debug29
-rw-r--r--lib/Makefile3
-rw-r--r--lib/asn1_decoder.c2
-rw-r--r--lib/atomic64_test.c13
-rw-r--r--lib/btree.c1
-rw-r--r--lib/bug.c21
-rw-r--r--lib/crc32.c4
-rw-r--r--lib/debugobjects.c19
-rw-r--r--lib/devres.c10
-rw-r--r--lib/digsig.c5
-rw-r--r--lib/fdt_empty_tree.c2
-rw-r--r--lib/idr.c40
-rw-r--r--lib/kobject_uevent.c6
-rw-r--r--lib/libcrc32c.c5
-rw-r--r--lib/nlattr.c17
-rw-r--r--lib/plist.c56
-rw-r--r--lib/radix-tree.c13
-rw-r--r--lib/string.c26
-rw-r--r--lib/swiotlb.c2
-rw-r--r--lib/textsearch.c9
-rw-r--r--lib/vsprintf.c4
-rw-r--r--lib/xz/Kconfig24
-rw-r--r--lib/xz/xz_dec_lzma2.c4
23 files changed, 204 insertions, 111 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 819ac51202c0..ccca32264748 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -501,6 +501,16 @@ config DEBUG_VM
If unsure, say N.
+config DEBUG_VM_VMACACHE
+ bool "Debug VMA caching"
+ depends on DEBUG_VM
+ help
+ Enable this to turn on VMA caching debug information. Doing so
+ can cause significant overhead, so only enable it in non-production
+ environments.
+
+ If unsure, say N.
+
config DEBUG_VM_RB
bool "Debug VM red-black trees"
depends on DEBUG_VM
@@ -575,8 +585,8 @@ config DEBUG_HIGHMEM
bool "Highmem debugging"
depends on DEBUG_KERNEL && HIGHMEM
help
- This options enables addition error checking for high memory systems.
- Disable for production systems.
+ This option enables additional error checking for high memory
+ systems. Disable for production systems.
config HAVE_DEBUG_STACKOVERFLOW
bool
@@ -823,11 +833,6 @@ config DEBUG_RT_MUTEXES
This allows rt mutex semantics violations and rt mutex related
deadlocks (lockups) to be detected and reported automatically.
-config DEBUG_PI_LIST
- bool
- default y
- depends on DEBUG_RT_MUTEXES
-
config RT_MUTEX_TESTER
bool "Built-in scriptable tester for rt-mutexes"
depends on DEBUG_KERNEL && RT_MUTEXES
@@ -1053,6 +1058,16 @@ config DEBUG_LIST
If unsure, say N.
+config DEBUG_PI_LIST
+ bool "Debug priority linked list manipulation"
+ depends on DEBUG_KERNEL
+ help
+ Enable this to turn on extended checks in the priority-ordered
+ linked-list (plist) walking routines. This checks the entire
+ list multiple times during each manipulation.
+
+ If unsure, say N.
+
config DEBUG_SG
bool "Debug SG table operations"
depends on DEBUG_KERNEL
diff --git a/lib/Makefile b/lib/Makefile
index 0cd7b68e1382..74a32dc49a93 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -148,7 +148,8 @@ obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
-libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o
+libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
+ fdt_empty_tree.o
$(foreach file, $(libfdt_files), \
$(eval CFLAGS_$(file) = -I$(src)/../scripts/dtc/libfdt))
lib-$(CONFIG_LIBFDT) += $(libfdt_files)
diff --git a/lib/asn1_decoder.c b/lib/asn1_decoder.c
index 11b9b01fda6b..1a000bb050f9 100644
--- a/lib/asn1_decoder.c
+++ b/lib/asn1_decoder.c
@@ -140,7 +140,7 @@ error:
* @decoder: The decoder definition (produced by asn1_compiler)
* @context: The caller's context (to be passed to the action functions)
* @data: The encoded data
- * @datasize: The size of the encoded data
+ * @datalen: The size of the encoded data
*
* Decode BER/DER/CER encoded ASN.1 data according to a bytecode pattern
* produced by asn1_compiler. Action functions are called on marked tags to
diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c
index 00bca223d1e1..0211d30d8c39 100644
--- a/lib/atomic64_test.c
+++ b/lib/atomic64_test.c
@@ -8,6 +8,9 @@
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/init.h>
#include <linux/bug.h>
#include <linux/kernel.h>
@@ -146,18 +149,18 @@ static __init int test_atomic64(void)
BUG_ON(v.counter != r);
#ifdef CONFIG_X86
- printk(KERN_INFO "atomic64 test passed for %s platform %s CX8 and %s SSE\n",
+ pr_info("passed for %s platform %s CX8 and %s SSE\n",
#ifdef CONFIG_X86_64
- "x86-64",
+ "x86-64",
#elif defined(CONFIG_X86_CMPXCHG64)
- "i586+",
+ "i586+",
#else
- "i386+",
+ "i386+",
#endif
boot_cpu_has(X86_FEATURE_CX8) ? "with" : "without",
boot_cpu_has(X86_FEATURE_XMM) ? "with" : "without");
#else
- printk(KERN_INFO "atomic64 test passed\n");
+ pr_info("passed\n");
#endif
return 0;
diff --git a/lib/btree.c b/lib/btree.c
index f9a484676cb6..4264871ea1a0 100644
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -198,6 +198,7 @@ EXPORT_SYMBOL_GPL(btree_init);
void btree_destroy(struct btree_head *head)
{
+ mempool_free(head->node, head->mempool);
mempool_destroy(head->mempool);
head->mempool = NULL;
}
diff --git a/lib/bug.c b/lib/bug.c
index 168603477f02..d1d7c7878900 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -37,6 +37,9 @@
Jeremy Fitzhardinge <jeremy@goop.org> 2006
*/
+
+#define pr_fmt(fmt) fmt
+
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -153,15 +156,13 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
if (warning) {
/* this is a WARN_ON rather than BUG/BUG_ON */
- printk(KERN_WARNING "------------[ cut here ]------------\n");
+ pr_warn("------------[ cut here ]------------\n");
if (file)
- printk(KERN_WARNING "WARNING: at %s:%u\n",
- file, line);
+ pr_warn("WARNING: at %s:%u\n", file, line);
else
- printk(KERN_WARNING "WARNING: at %p "
- "[verbose debug info unavailable]\n",
- (void *)bugaddr);
+ pr_warn("WARNING: at %p [verbose debug info unavailable]\n",
+ (void *)bugaddr);
print_modules();
show_regs(regs);
@@ -174,12 +175,10 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
printk(KERN_DEFAULT "------------[ cut here ]------------\n");
if (file)
- printk(KERN_CRIT "kernel BUG at %s:%u!\n",
- file, line);
+ pr_crit("kernel BUG at %s:%u!\n", file, line);
else
- printk(KERN_CRIT "Kernel BUG at %p "
- "[verbose debug info unavailable]\n",
- (void *)bugaddr);
+ pr_crit("Kernel BUG at %p [verbose debug info unavailable]\n",
+ (void *)bugaddr);
return BUG_TRAP_TYPE_BUG;
}
diff --git a/lib/crc32.c b/lib/crc32.c
index 70f00ca5ef1e..21a7b2135af6 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -33,13 +33,13 @@
#include "crc32defs.h"
#if CRC_LE_BITS > 8
-# define tole(x) ((__force u32) __constant_cpu_to_le32(x))
+# define tole(x) ((__force u32) cpu_to_le32(x))
#else
# define tole(x) (x)
#endif
#if CRC_BE_BITS > 8
-# define tobe(x) ((__force u32) __constant_cpu_to_be32(x))
+# define tobe(x) ((__force u32) cpu_to_be32(x))
#else
# define tobe(x) (x)
#endif
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index e0731c3db706..547f7f923dbc 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -7,6 +7,9 @@
*
* For licencing details see kernel-base/COPYING
*/
+
+#define pr_fmt(fmt) "ODEBUG: " fmt
+
#include <linux/debugobjects.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
@@ -218,7 +221,7 @@ static void debug_objects_oom(void)
unsigned long flags;
int i;
- printk(KERN_WARNING "ODEBUG: Out of memory. ODEBUG disabled\n");
+ pr_warn("Out of memory. ODEBUG disabled\n");
for (i = 0; i < ODEBUG_HASH_SIZE; i++, db++) {
raw_spin_lock_irqsave(&db->lock, flags);
@@ -292,11 +295,9 @@ static void debug_object_is_on_stack(void *addr, int onstack)
limit++;
if (is_on_stack)
- printk(KERN_WARNING
- "ODEBUG: object is on stack, but not annotated\n");
+ pr_warn("object is on stack, but not annotated\n");
else
- printk(KERN_WARNING
- "ODEBUG: object is not on stack, but annotated\n");
+ pr_warn("object is not on stack, but annotated\n");
WARN_ON(1);
}
@@ -985,7 +986,7 @@ static void __init debug_objects_selftest(void)
if (check_results(&obj, ODEBUG_STATE_NONE, ++fixups, ++warnings))
goto out;
#endif
- printk(KERN_INFO "ODEBUG: selftest passed\n");
+ pr_info("selftest passed\n");
out:
debug_objects_fixups = oldfixups;
@@ -1060,8 +1061,8 @@ static int __init debug_objects_replace_static_objects(void)
}
local_irq_enable();
- printk(KERN_DEBUG "ODEBUG: %d of %d active objects replaced\n", cnt,
- obj_pool_used);
+ pr_debug("%d of %d active objects replaced\n",
+ cnt, obj_pool_used);
return 0;
free:
hlist_for_each_entry_safe(obj, tmp, &objects, node) {
@@ -1090,7 +1091,7 @@ void __init debug_objects_mem_init(void)
debug_objects_enabled = 0;
if (obj_cache)
kmem_cache_destroy(obj_cache);
- printk(KERN_WARNING "ODEBUG: out of memory.\n");
+ pr_warn("out of memory.\n");
} else
debug_objects_selftest();
}
diff --git a/lib/devres.c b/lib/devres.c
index 2f16c133fd36..f562bf6ff71d 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -157,12 +157,12 @@ EXPORT_SYMBOL(devm_ioremap_resource);
* if (!base)
* return -EADDRNOTAVAIL;
*/
-void __iomem *devm_request_and_ioremap(struct device *device,
+void __iomem *devm_request_and_ioremap(struct device *dev,
struct resource *res)
{
void __iomem *dest_ptr;
- dest_ptr = devm_ioremap_resource(device, res);
+ dest_ptr = devm_ioremap_resource(dev, res);
if (IS_ERR(dest_ptr))
return NULL;
@@ -194,7 +194,7 @@ static int devm_ioport_map_match(struct device *dev, void *res,
* Managed ioport_map(). Map is automatically unmapped on driver
* detach.
*/
-void __iomem * devm_ioport_map(struct device *dev, unsigned long port,
+void __iomem *devm_ioport_map(struct device *dev, unsigned long port,
unsigned int nr)
{
void __iomem **ptr, *addr;
@@ -265,7 +265,7 @@ static void pcim_iomap_release(struct device *gendev, void *res)
* be safely called without context and guaranteed to succed once
* allocated.
*/
-void __iomem * const * pcim_iomap_table(struct pci_dev *pdev)
+void __iomem * const *pcim_iomap_table(struct pci_dev *pdev)
{
struct pcim_iomap_devres *dr, *new_dr;
@@ -290,7 +290,7 @@ EXPORT_SYMBOL(pcim_iomap_table);
* Managed pci_iomap(). Map is automatically unmapped on driver
* detach.
*/
-void __iomem * pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen)
+void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen)
{
void __iomem **tbl;
diff --git a/lib/digsig.c b/lib/digsig.c
index 8793aeda30ca..ae05ea393fc8 100644
--- a/lib/digsig.c
+++ b/lib/digsig.c
@@ -175,10 +175,11 @@ err1:
* digsig_verify() - digital signature verification with public key
* @keyring: keyring to search key in
* @sig: digital signature
- * @sigen: length of the signature
+ * @siglen: length of the signature
* @data: data
* @datalen: length of the data
- * @return: 0 on success, -EINVAL otherwise
+ *
+ * Returns 0 on success, -EINVAL otherwise
*
* Verifies data integrity against digital signature.
* Currently only RSA is supported.
diff --git a/lib/fdt_empty_tree.c b/lib/fdt_empty_tree.c
new file mode 100644
index 000000000000..5d30c58150ad
--- /dev/null
+++ b/lib/fdt_empty_tree.c
@@ -0,0 +1,2 @@
+#include <linux/libfdt_env.h>
+#include "../scripts/dtc/libfdt/fdt_empty_tree.c"
diff --git a/lib/idr.c b/lib/idr.c
index 2642fa8e424d..39158abebad1 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -18,12 +18,6 @@
* pointer or what ever, we treat it as a (void *). You can pass this
* id to a user for him to pass back at a later time. You then pass
* that id to this code and it returns your pointer.
-
- * You can release ids at any time. When all ids are released, most of
- * the memory is returned (we keep MAX_IDR_FREE) in a local pool so we
- * don't need to go to the memory "store" during an id allocate, just
- * so you don't need to be too concerned about locking and conflicts
- * with the slab allocator.
*/
#ifndef TEST // to test in user space...
@@ -151,7 +145,7 @@ static void idr_layer_rcu_free(struct rcu_head *head)
static inline void free_layer(struct idr *idr, struct idr_layer *p)
{
- if (idr->hint && idr->hint == p)
+ if (idr->hint == p)
RCU_INIT_POINTER(idr->hint, NULL);
call_rcu(&p->rcu_head, idr_layer_rcu_free);
}
@@ -249,7 +243,7 @@ static int sub_alloc(struct idr *idp, int *starting_id, struct idr_layer **pa,
id = (id | ((1 << (IDR_BITS * l)) - 1)) + 1;
/* if already at the top layer, we need to grow */
- if (id >= 1 << (idp->layers * IDR_BITS)) {
+ if (id > idr_max(idp->layers)) {
*starting_id = id;
return -EAGAIN;
}
@@ -562,6 +556,11 @@ void idr_remove(struct idr *idp, int id)
if (id < 0)
return;
+ if (id > idr_max(idp->layers)) {
+ idr_remove_warning(id);
+ return;
+ }
+
sub_remove(idp, (idp->layers - 1) * IDR_BITS, id);
if (idp->top && idp->top->count == 1 && (idp->layers > 1) &&
idp->top->ary[0]) {
@@ -579,16 +578,6 @@ void idr_remove(struct idr *idp, int id)
bitmap_clear(to_free->bitmap, 0, IDR_SIZE);
free_layer(idp, to_free);
}
- while (idp->id_free_cnt >= MAX_IDR_FREE) {
- p = get_from_free_list(idp);
- /*
- * Note: we don't call the rcu callback here, since the only
- * layers that fall into the freelist are those that have been
- * preallocated.
- */
- kmem_cache_free(idr_layer_cache, p);
- }
- return;
}
EXPORT_SYMBOL(idr_remove);
@@ -809,14 +798,12 @@ void *idr_replace(struct idr *idp, void *ptr, int id)
p = idp->top;
if (!p)
- return ERR_PTR(-EINVAL);
-
- n = (p->layer+1) * IDR_BITS;
+ return ERR_PTR(-ENOENT);
- if (id >= (1 << n))
- return ERR_PTR(-EINVAL);
+ if (id > idr_max(p->layer + 1))
+ return ERR_PTR(-ENOENT);
- n -= IDR_BITS;
+ n = p->layer * IDR_BITS;
while ((n > 0) && p) {
p = p->ary[(id >> n) & IDR_MASK];
n -= IDR_BITS;
@@ -1027,6 +1014,9 @@ void ida_remove(struct ida *ida, int id)
int n;
struct ida_bitmap *bitmap;
+ if (idr_id > idr_max(ida->idr.layers))
+ goto err;
+
/* clear full bits while looking up the leaf idr_layer */
while ((shift > 0) && p) {
n = (idr_id >> shift) & IDR_MASK;
@@ -1042,7 +1032,7 @@ void ida_remove(struct ida *ida, int id)
__clear_bit(n, p->bitmap);
bitmap = (void *)p->ary[n];
- if (!test_bit(offset, bitmap->bitmap))
+ if (!bitmap || !test_bit(offset, bitmap->bitmap))
goto err;
/* update bitmap and remove it if empty */
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 4e3bd71bd949..9ebf9e20de53 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -29,7 +29,9 @@
u64 uevent_seqnum;
+#ifdef CONFIG_UEVENT_HELPER
char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH;
+#endif
#ifdef CONFIG_NET
struct uevent_sock {
struct list_head list;
@@ -109,6 +111,7 @@ static int kobj_bcast_filter(struct sock *dsk, struct sk_buff *skb, void *data)
}
#endif
+#ifdef CONFIG_UEVENT_HELPER
static int kobj_usermode_filter(struct kobject *kobj)
{
const struct kobj_ns_type_operations *ops;
@@ -147,6 +150,7 @@ static void cleanup_uevent_env(struct subprocess_info *info)
{
kfree(info->data);
}
+#endif
/**
* kobject_uevent_env - send an uevent with environmental data
@@ -323,6 +327,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
#endif
mutex_unlock(&uevent_sock_mutex);
+#ifdef CONFIG_UEVENT_HELPER
/* call uevent_helper, usually only enabled during early boot */
if (uevent_helper[0] && !kobj_usermode_filter(kobj)) {
struct subprocess_info *info;
@@ -347,6 +352,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
env = NULL; /* freed by cleanup_uevent_env */
}
}
+#endif
exit:
kfree(devpath);
diff --git a/lib/libcrc32c.c b/lib/libcrc32c.c
index 244f5480c898..b3131f5cf8a2 100644
--- a/lib/libcrc32c.c
+++ b/lib/libcrc32c.c
@@ -62,10 +62,7 @@ EXPORT_SYMBOL(crc32c);
static int __init libcrc32c_mod_init(void)
{
tfm = crypto_alloc_shash("crc32c", 0, 0);
- if (IS_ERR(tfm))
- return PTR_ERR(tfm);
-
- return 0;
+ return PTR_ERR_OR_ZERO(tfm);
}
static void __exit libcrc32c_mod_fini(void)
diff --git a/lib/nlattr.c b/lib/nlattr.c
index 10ad042d01be..9c3e85ff0a6c 100644
--- a/lib/nlattr.c
+++ b/lib/nlattr.c
@@ -136,6 +136,7 @@ int nla_validate(const struct nlattr *head, int len, int maxtype,
errout:
return err;
}
+EXPORT_SYMBOL(nla_validate);
/**
* nla_policy_len - Determin the max. length of a policy
@@ -162,6 +163,7 @@ nla_policy_len(const struct nla_policy *p, int n)
return len;
}
+EXPORT_SYMBOL(nla_policy_len);
/**
* nla_parse - Parse a stream of attributes into a tb buffer
@@ -208,6 +210,7 @@ int nla_parse(struct nlattr **tb, int maxtype, const struct nlattr *head,
errout:
return err;
}
+EXPORT_SYMBOL(nla_parse);
/**
* nla_find - Find a specific attribute in a stream of attributes
@@ -228,6 +231,7 @@ struct nlattr *nla_find(const struct nlattr *head, int len, int attrtype)
return NULL;
}
+EXPORT_SYMBOL(nla_find);
/**
* nla_strlcpy - Copy string attribute payload into a sized buffer
@@ -258,6 +262,7 @@ size_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize)
return srclen;
}
+EXPORT_SYMBOL(nla_strlcpy);
/**
* nla_memcpy - Copy a netlink attribute into another memory area
@@ -278,6 +283,7 @@ int nla_memcpy(void *dest, const struct nlattr *src, int count)
return minlen;
}
+EXPORT_SYMBOL(nla_memcpy);
/**
* nla_memcmp - Compare an attribute with sized memory area
@@ -295,6 +301,7 @@ int nla_memcmp(const struct nlattr *nla, const void *data,
return d;
}
+EXPORT_SYMBOL(nla_memcmp);
/**
* nla_strcmp - Compare a string attribute against a string
@@ -317,6 +324,7 @@ int nla_strcmp(const struct nlattr *nla, const char *str)
return d;
}
+EXPORT_SYMBOL(nla_strcmp);
#ifdef CONFIG_NET
/**
@@ -502,12 +510,3 @@ int nla_append(struct sk_buff *skb, int attrlen, const void *data)
}
EXPORT_SYMBOL(nla_append);
#endif
-
-EXPORT_SYMBOL(nla_validate);
-EXPORT_SYMBOL(nla_policy_len);
-EXPORT_SYMBOL(nla_parse);
-EXPORT_SYMBOL(nla_find);
-EXPORT_SYMBOL(nla_strlcpy);
-EXPORT_SYMBOL(nla_memcpy);
-EXPORT_SYMBOL(nla_memcmp);
-EXPORT_SYMBOL(nla_strcmp);
diff --git a/lib/plist.c b/lib/plist.c
index 1ebc95f7a46f..d408e774b746 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -134,6 +134,46 @@ void plist_del(struct plist_node *node, struct plist_head *head)
plist_check_head(head);
}
+/**
+ * plist_requeue - Requeue @node at end of same-prio entries.
+ *
+ * This is essentially an optimized plist_del() followed by
+ * plist_add(). It moves an entry already in the plist to
+ * after any other same-priority entries.
+ *
+ * @node: &struct plist_node pointer - entry to be moved
+ * @head: &struct plist_head pointer - list head
+ */
+void plist_requeue(struct plist_node *node, struct plist_head *head)
+{
+ struct plist_node *iter;
+ struct list_head *node_next = &head->node_list;
+
+ plist_check_head(head);
+ BUG_ON(plist_head_empty(head));
+ BUG_ON(plist_node_empty(node));
+
+ if (node == plist_last(head))
+ return;
+
+ iter = plist_next(node);
+
+ if (node->prio != iter->prio)
+ return;
+
+ plist_del(node, head);
+
+ plist_for_each_continue(iter, head) {
+ if (node->prio != iter->prio) {
+ node_next = &iter->node_list;
+ break;
+ }
+ }
+ list_add_tail(&node->node_list, node_next);
+
+ plist_check_head(head);
+}
+
#ifdef CONFIG_DEBUG_PI_LIST
#include <linux/sched.h>
#include <linux/module.h>
@@ -170,12 +210,20 @@ static void __init plist_test_check(int nr_expect)
BUG_ON(prio_pos->prio_list.next != &first->prio_list);
}
+static void __init plist_test_requeue(struct plist_node *node)
+{
+ plist_requeue(node, &test_head);
+
+ if (node != plist_last(&test_head))
+ BUG_ON(node->prio == plist_next(node)->prio);
+}
+
static int __init plist_test(void)
{
int nr_expect = 0, i, loop;
unsigned int r = local_clock();
- pr_debug("start plist test\n");
+ printk(KERN_DEBUG "start plist test\n");
plist_head_init(&test_head);
for (i = 0; i < ARRAY_SIZE(test_node); i++)
plist_node_init(test_node + i, 0);
@@ -193,6 +241,10 @@ static int __init plist_test(void)
nr_expect--;
}
plist_test_check(nr_expect);
+ if (!plist_node_empty(test_node + i)) {
+ plist_test_requeue(test_node + i);
+ plist_test_check(nr_expect);
+ }
}
for (i = 0; i < ARRAY_SIZE(test_node); i++) {
@@ -203,7 +255,7 @@ static int __init plist_test(void)
plist_test_check(nr_expect);
}
- pr_debug("end plist test\n");
+ printk(KERN_DEBUG "end plist test\n");
return 0;
}
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 9599aa72d7a0..3291a8e37490 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -27,6 +27,7 @@
#include <linux/radix-tree.h>
#include <linux/percpu.h>
#include <linux/slab.h>
+#include <linux/kmemleak.h>
#include <linux/notifier.h>
#include <linux/cpu.h>
#include <linux/string.h>
@@ -194,12 +195,17 @@ radix_tree_node_alloc(struct radix_tree_root *root)
* succeed in getting a node here (and never reach
* kmem_cache_alloc)
*/
- rtp = &__get_cpu_var(radix_tree_preloads);
+ rtp = this_cpu_ptr(&radix_tree_preloads);
if (rtp->nr) {
ret = rtp->nodes[rtp->nr - 1];
rtp->nodes[rtp->nr - 1] = NULL;
rtp->nr--;
}
+ /*
+ * Update the allocation stack trace as this is more useful
+ * for debugging.
+ */
+ kmemleak_update_trace(ret);
}
if (ret == NULL)
ret = kmem_cache_alloc(radix_tree_node_cachep, gfp_mask);
@@ -250,14 +256,14 @@ static int __radix_tree_preload(gfp_t gfp_mask)
int ret = -ENOMEM;
preempt_disable();
- rtp = &__get_cpu_var(radix_tree_preloads);
+ rtp = this_cpu_ptr(&radix_tree_preloads);
while (rtp->nr < ARRAY_SIZE(rtp->nodes)) {
preempt_enable();
node = kmem_cache_alloc(radix_tree_node_cachep, gfp_mask);
if (node == NULL)
goto out;
preempt_disable();
- rtp = &__get_cpu_var(radix_tree_preloads);
+ rtp = this_cpu_ptr(&radix_tree_preloads);
if (rtp->nr < ARRAY_SIZE(rtp->nodes))
rtp->nodes[rtp->nr++] = node;
else
@@ -1296,7 +1302,6 @@ static inline void radix_tree_shrink(struct radix_tree_root *root)
/**
* __radix_tree_delete_node - try to free node after clearing a slot
* @root: radix tree root
- * @index: index key
* @node: node containing @index
*
* After clearing the slot at @index in @node from radix tree
diff --git a/lib/string.c b/lib/string.c
index 9b1f9062a202..992bf30af759 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -107,7 +107,7 @@ EXPORT_SYMBOL(strcpy);
#ifndef __HAVE_ARCH_STRNCPY
/**
- * strncpy - Copy a length-limited, %NUL-terminated string
+ * strncpy - Copy a length-limited, C-string
* @dest: Where to copy the string to
* @src: Where to copy the string from
* @count: The maximum number of bytes to copy
@@ -136,7 +136,7 @@ EXPORT_SYMBOL(strncpy);
#ifndef __HAVE_ARCH_STRLCPY
/**
- * strlcpy - Copy a %NUL terminated string into a sized buffer
+ * strlcpy - Copy a C-string into a sized buffer
* @dest: Where to copy the string to
* @src: Where to copy the string from
* @size: size of destination buffer
@@ -182,7 +182,7 @@ EXPORT_SYMBOL(strcat);
#ifndef __HAVE_ARCH_STRNCAT
/**
- * strncat - Append a length-limited, %NUL-terminated string to another
+ * strncat - Append a length-limited, C-string to another
* @dest: The string to be appended to
* @src: The string to append to it
* @count: The maximum numbers of bytes to copy
@@ -211,7 +211,7 @@ EXPORT_SYMBOL(strncat);
#ifndef __HAVE_ARCH_STRLCAT
/**
- * strlcat - Append a length-limited, %NUL-terminated string to another
+ * strlcat - Append a length-limited, C-string to another
* @dest: The string to be appended to
* @src: The string to append to it
* @count: The size of the destination buffer.
@@ -301,6 +301,24 @@ char *strchr(const char *s, int c)
EXPORT_SYMBOL(strchr);
#endif
+#ifndef __HAVE_ARCH_STRCHRNUL
+/**
+ * strchrnul - Find and return a character in a string, or end of string
+ * @s: The string to be searched
+ * @c: The character to search for
+ *
+ * Returns pointer to first occurrence of 'c' in s. If c is not found, then
+ * return a pointer to the null byte at the end of s.
+ */
+char *strchrnul(const char *s, int c)
+{
+ while (*s && *s != (char)c)
+ s++;
+ return (char *)s;
+}
+EXPORT_SYMBOL(strchrnul);
+#endif
+
#ifndef __HAVE_ARCH_STRRCHR
/**
* strrchr - Find the last occurrence of a character in a string
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index b604b831f4d1..649d097853a1 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -374,7 +374,7 @@ void __init swiotlb_free(void)
io_tlb_nslabs = 0;
}
-static int is_swiotlb_buffer(phys_addr_t paddr)
+int is_swiotlb_buffer(phys_addr_t paddr)
{
return paddr >= io_tlb_start && paddr < io_tlb_end;
}
diff --git a/lib/textsearch.c b/lib/textsearch.c
index e0cc0146ae62..0c7e9ab2d88f 100644
--- a/lib/textsearch.c
+++ b/lib/textsearch.c
@@ -159,6 +159,7 @@ errout:
spin_unlock(&ts_mod_lock);
return err;
}
+EXPORT_SYMBOL(textsearch_register);
/**
* textsearch_unregister - unregister a textsearch module
@@ -190,6 +191,7 @@ out:
spin_unlock(&ts_mod_lock);
return err;
}
+EXPORT_SYMBOL(textsearch_unregister);
struct ts_linear_state
{
@@ -236,6 +238,7 @@ unsigned int textsearch_find_continuous(struct ts_config *conf,
return textsearch_find(conf, state);
}
+EXPORT_SYMBOL(textsearch_find_continuous);
/**
* textsearch_prepare - Prepare a search
@@ -298,6 +301,7 @@ errout:
return ERR_PTR(err);
}
+EXPORT_SYMBOL(textsearch_prepare);
/**
* textsearch_destroy - destroy a search configuration
@@ -316,9 +320,4 @@ void textsearch_destroy(struct ts_config *conf)
kfree(conf);
}
-
-EXPORT_SYMBOL(textsearch_register);
-EXPORT_SYMBOL(textsearch_unregister);
-EXPORT_SYMBOL(textsearch_prepare);
-EXPORT_SYMBOL(textsearch_find_continuous);
EXPORT_SYMBOL(textsearch_destroy);
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 0648291cdafe..6fe2c84eb055 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -2347,7 +2347,7 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
break;
base = 10;
- is_sign = 0;
+ is_sign = false;
switch (*fmt++) {
case 'c':
@@ -2386,7 +2386,7 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
case 'i':
base = 0;
case 'd':
- is_sign = 1;
+ is_sign = true;
case 'u':
break;
case '%':
diff --git a/lib/xz/Kconfig b/lib/xz/Kconfig
index 08837db52d94..12d2d777f36b 100644
--- a/lib/xz/Kconfig
+++ b/lib/xz/Kconfig
@@ -9,33 +9,33 @@ config XZ_DEC
if XZ_DEC
config XZ_DEC_X86
- bool "x86 BCJ filter decoder"
- default y if X86
+ bool "x86 BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_POWERPC
- bool "PowerPC BCJ filter decoder"
- default y if PPC
+ bool "PowerPC BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_IA64
- bool "IA-64 BCJ filter decoder"
- default y if IA64
+ bool "IA-64 BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_ARM
- bool "ARM BCJ filter decoder"
- default y if ARM
+ bool "ARM BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_ARMTHUMB
- bool "ARM-Thumb BCJ filter decoder"
- default y if (ARM && ARM_THUMB)
+ bool "ARM-Thumb BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_SPARC
- bool "SPARC BCJ filter decoder"
- default y if SPARC
+ bool "SPARC BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
endif
diff --git a/lib/xz/xz_dec_lzma2.c b/lib/xz/xz_dec_lzma2.c
index a6cdc969ea42..08c3c8049998 100644
--- a/lib/xz/xz_dec_lzma2.c
+++ b/lib/xz/xz_dec_lzma2.c
@@ -1043,6 +1043,8 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
s->lzma2.sequence = SEQ_LZMA_PREPARE;
+ /* Fall through */
+
case SEQ_LZMA_PREPARE:
if (s->lzma2.compressed < RC_INIT_BYTES)
return XZ_DATA_ERROR;
@@ -1053,6 +1055,8 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
s->lzma2.compressed -= RC_INIT_BYTES;
s->lzma2.sequence = SEQ_LZMA_RUN;
+ /* Fall through */
+
case SEQ_LZMA_RUN:
/*
* Set dictionary limit to indicate how much we want
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-30 18:50:48 +0300