4.19-stable review patch. If anyone has any objections, please let me know.
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From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
[ 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 --- sound/soc/omap/ams-delta.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c index 4dce494dfbd3e..ef9fda16ce131 100644 --- a/sound/soc/omap/ams-delta.c +++ b/sound/soc/omap/ams-delta.c @@ -300,7 +300,7 @@ 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);
@@ -312,6 +312,8 @@ 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);