eessppeelllloo/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-12-11 17:30:00 +01:00
Code Issues Packages Projects Releases Wiki Activity

avutil/atomic: reuse ret to avoid dereferencing twice the same value.

Browse Source
This commit is contained in:
Clément Bœsch
2014-05-26 21:08:32 +02:00
parent cc91488588
commit 56e432b27b
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavutil/atomic.c
View File

@@ -64,7 +64,7 @@ void *avpriv_atomic_ptr_cas(void * volatile *ptr, void *oldval, void *newval)
void *ret; void *ret;
pthread_mutex_lock(&atomic_lock); pthread_mutex_lock(&atomic_lock);
ret = *ptr; ret = *ptr;
if (*ptr == oldval) if (ret == oldval)
*ptr = newval; *ptr = newval;
pthread_mutex_unlock(&atomic_lock); pthread_mutex_unlock(&atomic_lock);
return ret; return ret;