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| author | Austin Kim <austin.kim@lge.com> | 2021-11-09 01:37:42 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-11-09 07:18:50 +0100 |
| commit | d159037abbe3412285c271bdfb9cdf19e62678ff (patch) | |
| tree | 194a0d26b55f2b38903eeaa213a1fbeb388b30ed /sound/synth | |
| parent | ALSA: memalloc: Use proper SG helpers for noncontig allocations (diff) | |
| download | linux-d159037abbe3412285c271bdfb9cdf19e62678ff.tar.xz linux-d159037abbe3412285c271bdfb9cdf19e62678ff.zip | |
ALSA: synth: missing check for possible NULL after the call to kstrdup
If kcalloc() return NULL due to memory starvation, it is possible for
kstrdup() to return NULL in similar case. So add null check after the call
to kstrdup() is made.
[ minor coding-style fix by tiwai ]
Signed-off-by: Austin Kim <austin.kim@lge.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211109003742.GA5423@raspberrypi
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/synth')
| -rw-r--r-- | sound/synth/emux/emux.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/synth/emux/emux.c b/sound/synth/emux/emux.c index 49d1976a132c..5ed8e36d2e04 100644 --- a/sound/synth/emux/emux.c +++ b/sound/synth/emux/emux.c @@ -88,7 +88,7 @@ int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, ch emu->name = kstrdup(name, GFP_KERNEL); emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice), GFP_KERNEL); - if (emu->voices == NULL) + if (emu->name == NULL || emu->voices == NULL) return -ENOMEM; /* create soundfont list */ |