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| author | Austin Kim <austin.kim@lge.com> | 2021-11-09 00:37:42 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-26 11:48:19 +0100 |
| commit | 280b47ed12e52267ad797d9d98bf2a49d4d2bf11 (patch) | |
| tree | efb9e1de543ee9beb34842924538ab5a82f03724 /sound | |
| parent | aece550bdb61774e7817a64ccc3c7399a1ae540f (diff) | |
| download | linux-stable-280b47ed12e52267ad797d9d98bf2a49d4d2bf11.tar.gz linux-stable-280b47ed12e52267ad797d9d98bf2a49d4d2bf11.tar.bz2 linux-stable-280b47ed12e52267ad797d9d98bf2a49d4d2bf11.zip | |
ALSA: synth: missing check for possible NULL after the call to kstrdup
commit d159037abbe3412285c271bdfb9cdf19e62678ff upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
| -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 9312cd8a6fdd..c5c6d360843a 100644 --- a/sound/synth/emux/emux.c +++ b/sound/synth/emux/emux.c @@ -101,7 +101,7 @@ 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 */ |