Unverified Commit d56ba9a0 authored by Shengjiu Wang's avatar Shengjiu Wang Committed by Mark Brown
Browse files

ASoC: imx-card: Fix refcount issue with of_node_put 



imx_card_parse_of will search all the node with loop,
if there is defer probe happen in the middle of loop,
the previous released codec node will be released
twice, then cause refcount issue.

Here assign NULL to pointer of released nodes to fix
the issue.

Fixes: aa736700 ("ASoC: imx-card: Add imx-card machine driver")
Signed-off-by: default avatarShengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1663059601-29259-1-git-send-email-shengjiu.wang@nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b2ddf399

sound/soc/fsl/imx-card.c

+4 −0
Original line number Diff line number Diff line
@@ -698,6 +698,10 @@ static int imx_card_parse_of(struct imx_card_data *data) 
		of_node_put(cpu);

		of_node_put(codec);

		of_node_put(platform);



		cpu = NULL;

		codec = NULL;

		platform = NULL;

	}



	return 0;