[PATCH 3/8] ASoC: codecs: wcd938x: fix missing clsh ctrl error handling

Johan Hovold
2023-07-05T12:33:31Z

Allocation of the clash control structure may fail so add the missing
error handling to avoid dereferencing an error pointer.

Fixes: 8d78602aa87a ("ASoC: codecs: wcd938x: add basic driver")
Cc: stable@vger.kernel.org # 5.14
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
sound/soc/codecs/wcd938x.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index faa15a5ed2c8..2e342398d027 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -3106,6 +3106,10 @@ static int wcd938x_soc_codec_probe(struct snd_soc_component *component)
WCD938X_ID_MASK);

wcd938x->clsh_info = wcd_clsh_ctrl_alloc(component, WCD938X);
+ if (IS_ERR(wcd938x->clsh_info)) {
+ pm_runtime_put(dev);
+ return PTR_ERR(wcd938x->clsh_info);
+ }

wcd938x_io_init(wcd938x);
/* Set all interrupts as edge triggered */
--
2.39.3