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Commit fdaf4197 authored by Xiaoke Wang's avatar Xiaoke Wang Committed by Greg Kroah-Hartman
Browse files

ALSA: jack: Check the return value of kstrdup() 



commit c01c1db1dc632edafb0dff32d40daf4f9c1a4e19 upstream.

kstrdup() can return NULL, it is better to check the return value of it.

Signed-off-by: default avatarXiaoke Wang <xkernel.wang@foxmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/tencent_094816F3522E0DC704056C789352EBBF0606@qq.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 44c743f6

sound/core/jack.c

+4 −0
Original line number Diff line number Diff line
@@ -220,6 +220,10 @@ int snd_jack_new(struct snd_card *card, const char *id, int type, 
		return -ENOMEM;



	jack->id = kstrdup(id, GFP_KERNEL);

	if (jack->id == NULL) {

		kfree(jack);

		return -ENOMEM;

	}



	/* don't creat input device for phantom jack */

	if (!phantom_jack) {