iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ALSA: pcm: Fix snd_pcm_format_name function

Browse Source 
Fix snd_pcm_format_name so it won't return NULL-pointer in case if it
can't find the format in the 'snd_pcm_format_names' list. Return
"Unknown" instead, as it is done if the number passed to the function
is larger than a list size.

Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20240125223522.1122765-2-ivan.orlov0322@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ivan Orlov 2024-01-25 22:35:20 +00:00 committed by Takashi Iwai
parent f7c4cb4a3f
commit d1eb913c8d
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sound/core/pcm.c
View File

@ -225,9 +225,11 @@ static const char * const snd_pcm_format_names[] = {
*/
const char *snd_pcm_format_name(snd_pcm_format_t format)
{
if ((__force unsigned int)format >= ARRAY_SIZE(snd_pcm_format_names))
unsigned int format_num = (__force unsigned int)format;
if (format_num >= ARRAY_SIZE(snd_pcm_format_names) || !snd_pcm_format_names[format_num])
return "Unknown";
return snd_pcm_format_names[(__force unsigned int)format];
return snd_pcm_format_names[format_num];
}
EXPORT_SYMBOL_GPL(snd_pcm_format_name);