From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> stable inclusion from stable-v6.6.2 commit b70dd645a8f187307900749ba26b00b87e02dc8e category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- [ Upstream commit bd0f7498bc9084d8cccc5484cd004b40f314b763 ] static void cx81801_close() { ... (A) struct snd_soc_dapm_context *dapm = &component->card->dapm; ... (B) if (!component) return; } (A) uses component before NULL check (B). This patch moves it after (B). Fixes: d0fdfe34080c ("ASoC: cx20442: replace codec to component") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/r/3e608474-e99a-4866-ae98-3054a4221f09@moroto.mounta... Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87ttqdq623.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- sound/soc/ti/ams-delta.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/ti/ams-delta.c b/sound/soc/ti/ams-delta.c index 666057d50ea0..dd3f59bb72fa 100644 --- a/sound/soc/ti/ams-delta.c +++ b/sound/soc/ti/ams-delta.c @@ -303,7 +303,7 @@ static int cx81801_open(struct tty_struct *tty) static void cx81801_close(struct tty_struct *tty) { struct snd_soc_component *component = tty->disc_data; - struct snd_soc_dapm_context *dapm = &component->card->dapm; + struct snd_soc_dapm_context *dapm; del_timer_sync(&cx81801_timer); @@ -315,6 +315,8 @@ static void cx81801_close(struct tty_struct *tty) v253_ops.close(tty); + dapm = &component->card->dapm; + /* Revert back to default audio input/output constellation */ snd_soc_dapm_mutex_lock(dapm); -- 2.20.1