Merge "msm:qdsp6v2: Check null pointer on userspace data argument in kernel"

sound/soc/msm/qdsp6v2/msm-lsm-client.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -170,6 +170,9 @@ static int msm_lsm_ioctl(struct snd_pcm_substream *substream,
		*/
		rc = -EFAULT;
		} else {
		if (!access_ok(VERIFY_READ, user,
		sizeof(struct snd_lsm_event_status)))
		rc = -EFAULT;
		if (user->payload_size <
		event_status->payload_size) {
		pr_debug("%s: provided %dbytes isn't enough, needs %dbytes\n",