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| /openbmc/linux/sound/soc/mediatek/common/ |
| H A D | mtk-afe-fe-dai.c | 1dd03852 Fri Sep 10 04:26:13 CDT 2021 Trevor Wu <trevor.wu@mediatek.com> ASoC: mediatek: common: handle NULL case in suspend/resume function
When memory allocation for afe->reg_back_up fails, reg_back_up can't
be used.
Keep the suspend/resume flow but skip register backup when
afe->reg_back_up is NULL, in case illegal memory access happens.
Fixes: 283b612429a2 ("ASoC: mediatek: implement mediatek common structure")
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210910092613.30188-1-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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