diff options
| author | Johan Hovold <johan+linaro@kernel.org> | 2023-07-03 14:47:01 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-07-04 13:54:16 +0100 |
| commit | 7dfae2631bfbdebecd35fe7b472ab3cc95c9ed66 (patch) | |
| tree | 0c3e824399f70cd3c8fa79012d993299b00b0500 /sound/soc | |
| parent | 6f49256897083848ce9a59651f6b53fc80462397 (diff) | |
ASoC: codecs: wcd938x: fix missing mbhc init error handling
MBHC initialisation can fail so add the missing error handling to avoid
dereferencing an error pointer when later configuring the jack:
Unable to handle kernel paging request at virtual address fffffffffffffff8
pc : wcd_mbhc_start+0x28/0x380 [snd_soc_wcd_mbhc]
lr : wcd938x_codec_set_jack+0x28/0x48 [snd_soc_wcd938x]
Call trace:
wcd_mbhc_start+0x28/0x380 [snd_soc_wcd_mbhc]
wcd938x_codec_set_jack+0x28/0x48 [snd_soc_wcd938x]
snd_soc_component_set_jack+0x28/0x8c [snd_soc_core]
qcom_snd_wcd_jack_setup+0x7c/0x19c [snd_soc_qcom_common]
sc8280xp_snd_init+0x20/0x2c [snd_soc_sc8280xp]
snd_soc_link_init+0x28/0x90 [snd_soc_core]
snd_soc_bind_card+0x628/0xbfc [snd_soc_core]
snd_soc_register_card+0xec/0x104 [snd_soc_core]
devm_snd_soc_register_card+0x4c/0xa4 [snd_soc_core]
sc8280xp_platform_probe+0xf0/0x108 [snd_soc_sc8280xp]
Fixes: bcee7ed09b8e ("ASoC: codecs: wcd938x: add Multi Button Headset Control support")
Cc: stable@vger.kernel.org # 5.15
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230703124701.11734-1-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/wcd938x.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index 1595df2bf0e9..faa15a5ed2c8 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -2626,6 +2626,8 @@ static int wcd938x_mbhc_init(struct snd_soc_component *component) WCD938X_IRQ_HPHR_OCP_INT); wcd938x->wcd_mbhc = wcd_mbhc_init(component, &mbhc_cb, intr_ids, wcd_mbhc_fields, true); + if (IS_ERR(wcd938x->wcd_mbhc)) + return PTR_ERR(wcd938x->wcd_mbhc); snd_soc_add_component_controls(component, impedance_detect_controls, ARRAY_SIZE(impedance_detect_controls)); |