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Optimize NULL check in snd_dlobj_cache_put()

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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Takashi Iwai 2013-04-09 14:58:52 +02:00
parent e79990ac5d
commit 91de1212d0
1 changed files with 3 additions and 0 deletions
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3
src/dlmisc.c
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@ -275,6 +275,9 @@ int snd_dlobj_cache_put(void *func)
struct dlobj_cache *c; struct dlobj_cache *c;
unsigned int refcnt; unsigned int refcnt;
if (!func)
return -ENOENT;
snd_dlobj_lock(); snd_dlobj_lock();
list_for_each(p, &pcm_dlobj_list) { list_for_each(p, &pcm_dlobj_list) {
c = list_entry(p, struct dlobj_cache, list); c = list_entry(p, struct dlobj_cache, list);