Unverified Commit db8f91d4 authored by Srinivasa Rao Mandadapu's avatar Srinivasa Rao Mandadapu Committed by Mark Brown
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ASoC: soc-pcm: Add NULL check in BE reparenting 



Add NULL check in dpcm_be_reparent API, to handle
kernel NULL pointer dereference error.
The issue occurred in fuzzing test.

Signed-off-by: default avatarSrinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Link: https://lore.kernel.org/r/1669098673-29703-1-git-send-email-quic_srivasam@quicinc.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f5f8ad3f

sound/soc/soc-pcm.c

+2 −0
Original line number Diff line number Diff line
@@ -1247,6 +1247,8 @@ static void dpcm_be_reparent(struct snd_soc_pcm_runtime *fe, 
		return;



	be_substream = snd_soc_dpcm_get_substream(be, stream);

	if (!be_substream)

		return;



	for_each_dpcm_fe(be, stream, dpcm) {

		if (dpcm->fe == fe)