mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-03 09:01:52 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

NULL check in mmap_begin()

Browse source
This commit is contained in:
Jaroslav Kysela 2003-07-23 06:57:53 +00:00
parent 0d1fc81692
commit cb1f308ab5
1 changed files with 5 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/pcm/pcm.c
View file

@ -5955,8 +5955,12 @@ int snd_pcm_mmap_begin(snd_pcm_t *pcm,
snd_pcm_uframes_t cont;
snd_pcm_uframes_t f;
snd_pcm_uframes_t avail;
const snd_pcm_channel_area_t *xareas;
assert(pcm && areas && offset && frames);
*areas = snd_pcm_mmap_areas(pcm);
xareas = snd_pcm_mmap_areas(pcm);
if (xareas == NULL)
return -EBADFD;
*areas = xareas;
*offset = *pcm->appl.ptr % pcm->buffer_size;
avail = snd_pcm_mmap_avail(pcm);
if (avail > pcm->buffer_size)