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ALSA: gus: Fix erroneous memory allocation

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snd_gf1_mem_xalloc() returns NULL incorrectly when the memory chunk is
allocated in the middle of the chain.  This patch corrects the return
value to treat it properly.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20211213132444.22385-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-12-13 14:24:43 +01:00
parent 78977fd5b1
commit c2f5141540
1 changed files with 1 additions and 1 deletions
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2
sound/isa/gus/gus_mem.c
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@ -44,7 +44,7 @@ static struct snd_gf1_mem_block *snd_gf1_mem_xalloc(struct snd_gf1_mem * alloc,
else
nblock->prev->next = nblock;
mutex_unlock(&alloc->memory_mutex);
return NULL;
return nblock;
}
pblock = pblock->next;
}