From 91de1212d0da0e52c64f7392f35e3c129d6bbce5 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 9 Apr 2013 14:58:52 +0200 Subject: [PATCH] Optimize NULL check in snd_dlobj_cache_put() Signed-off-by: Takashi Iwai --- src/dlmisc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/dlmisc.c b/src/dlmisc.c index 585c7f60..37883822 100644 --- a/src/dlmisc.c +++ b/src/dlmisc.c @@ -275,6 +275,9 @@ int snd_dlobj_cache_put(void *func) struct dlobj_cache *c; unsigned int refcnt; + if (!func) + return -ENOENT; + snd_dlobj_lock(); list_for_each(p, &pcm_dlobj_list) { c = list_entry(p, struct dlobj_cache, list); -- 2.11.0