Commit d7f15bef authored by Xiaoke Wang's avatar Xiaoke Wang Committed by Takashi Iwai
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ALSA: lola: add a check for the return of vmalloc() 



vmalloc() is a memory allocation function which can return NULL when
some internal memory errors happen. So it is better to check the return
of it to catch the error in time.

Signed-off-by: default avatarXiaoke Wang <xkernel.wang@foxmail.com>
Link: https://lore.kernel.org/r/tencent_4221FC4089F6DF01C48F192E5784038BA205@qq.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 3cffb26f

sound/pci/lola/lola_mixer.c

+2 −0
Original line number Diff line number Diff line
@@ -121,6 +121,8 @@ int lola_init_mixer_widget(struct lola *chip, int nid) 


	/* reserve memory to copy mixer data for sleep mode transitions */

	chip->mixer.array_saved = vmalloc(sizeof(struct lola_mixer_array));

	if (!chip->mixer.array_saved)

		return -ENOMEM;



	/* mixer matrix sources are physical input data and play streams */

	chip->mixer.src_stream_outs = chip->pcm[PLAY].num_streams;