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Use WARN() in lib/

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Use WARN() instead of a printk+WARN_ON() pair; this way the message becomes
part of the warning section for better reporting/collection.  In addition, one
of the if() clauses collapes into the WARN() entirely now.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Arjan van de Ven 2008-07-25 19:45:39 -07:00 committed by Linus Torvalds
parent f810a5cf28
commit 5cd2b459d3
4 changed files with 15 additions and 22 deletions
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15
lib/debugobjects.c
View file

@ -205,9 +205,8 @@ static void debug_print_object(struct debug_obj *obj, char *msg)
if (limit < 5 && obj->descr != descr_test) { if (limit < 5 && obj->descr != descr_test) {
limit++; limit++;
printk(KERN_ERR "ODEBUG: %s %s object type: %s\n", msg, WARN(1, KERN_ERR "ODEBUG: %s %s object type: %s\n", msg,
obj_states[obj->state], obj->descr->name); obj_states[obj->state], obj->descr->name);
WARN_ON(1);
} }
debug_objects_warnings++; debug_objects_warnings++;
} }
@ -733,26 +732,22 @@ check_results(void *addr, enum debug_obj_state state, int fixups, int warnings)
obj = lookup_object(addr, db); obj = lookup_object(addr, db);
if (!obj && state != ODEBUG_STATE_NONE) { if (!obj && state != ODEBUG_STATE_NONE) {
printk(KERN_ERR "ODEBUG: selftest object not found\n"); WARN(1, KERN_ERR "ODEBUG: selftest object not found\n");
WARN_ON(1);
goto out; goto out;
} }
if (obj && obj->state != state) { if (obj && obj->state != state) {
printk(KERN_ERR "ODEBUG: selftest wrong state: %d != %d\n", WARN(1, KERN_ERR "ODEBUG: selftest wrong state: %d != %d\n",
obj->state, state); obj->state, state);
WARN_ON(1);
goto out; goto out;
} }
if (fixups != debug_objects_fixups) { if (fixups != debug_objects_fixups) {
printk(KERN_ERR "ODEBUG: selftest fixups failed %d != %d\n", WARN(1, KERN_ERR "ODEBUG: selftest fixups failed %d != %d\n",
fixups, debug_objects_fixups); fixups, debug_objects_fixups);
WARN_ON(1);
goto out; goto out;
} }
if (warnings != debug_objects_warnings) { if (warnings != debug_objects_warnings) {
printk(KERN_ERR "ODEBUG: selftest warnings failed %d != %d\n", WARN(1, KERN_ERR "ODEBUG: selftest warnings failed %d != %d\n",
warnings, debug_objects_warnings); warnings, debug_objects_warnings);
WARN_ON(1);
goto out; goto out;
} }
res = 0; res = 0;

3
lib/iomap.c
View file

@ -40,8 +40,7 @@ static void bad_io_access(unsigned long port, const char *access)
static int count = 10; static int count = 10;
if (count) { if (count) {
count--; count--;
printk(KERN_ERR "Bad IO access at port %#lx (%s)\n", port, access); WARN(1, KERN_ERR "Bad IO access at port %#lx (%s)\n", port, access);
WARN_ON(1);
} }
} }

6
lib/kobject_uevent.c
View file

@ -285,8 +285,7 @@ int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
int len; int len;
if (env->envp_idx >= ARRAY_SIZE(env->envp)) { if (env->envp_idx >= ARRAY_SIZE(env->envp)) {
printk(KERN_ERR "add_uevent_var: too many keys\n"); WARN(1, KERN_ERR "add_uevent_var: too many keys\n");
WARN_ON(1);
return -ENOMEM; return -ENOMEM;
} }
@ -297,8 +296,7 @@ int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
va_end(args); va_end(args);
if (len >= (sizeof(env->buf) - env->buflen)) { if (len >= (sizeof(env->buf) - env->buflen)) {
printk(KERN_ERR "add_uevent_var: buffer size too small\n"); WARN(1, KERN_ERR "add_uevent_var: buffer size too small\n");
WARN_ON(1);
return -ENOMEM; return -ENOMEM;
} }

13
lib/plist.c
View file

@ -31,12 +31,13 @@
static void plist_check_prev_next(struct list_head *t, struct list_head *p, static void plist_check_prev_next(struct list_head *t, struct list_head *p,
struct list_head *n) struct list_head *n)
{ {
if (n->prev != p || p->next != n) { WARN(n->prev != p || p->next != n,
printk("top: %p, n: %p, p: %p\n", t, t->next, t->prev); "top: %p, n: %p, p: %p\n"
printk("prev: %p, n: %p, p: %p\n", p, p->next, p->prev); "prev: %p, n: %p, p: %p\n"
printk("next: %p, n: %p, p: %p\n", n, n->next, n->prev); "next: %p, n: %p, p: %p\n",
WARN_ON(1); t, t->next, t->prev,
} p, p->next, p->prev,
n, n->next, n->prev);
} }
static void plist_check_list(struct list_head *top) static void plist_check_list(struct list_head *top)