diff options
| author | Brent Lu <brent.lu@intel.com> | 2023-09-04 18:40:46 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-09-04 13:32:58 +0100 |
| commit | 5366a64033ef46d7fc36db097d4bde12af22c405 (patch) | |
| tree | d4a112f4dd84f9dab4474641085a1e65ed7f2d26 /sound | |
| parent | d1cf5d30b43f1a331032ebf3e11d9e366ab0f885 (diff) | |
ASoC: rt5645: NULL pointer access when removing jack
Machine driver calls snd_soc_component_set_jack() function with NULL
jack and data parameters when removing jack in codec exit function.
Do not access data when jack is NULL.
Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20230904104046.4150208-1-brent.lu@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/rt5645.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 038d93e20883..1a137ca3f496 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -3269,13 +3269,17 @@ static int rt5645_component_set_jack(struct snd_soc_component *component, { struct snd_soc_jack *mic_jack = NULL; struct snd_soc_jack *btn_jack = NULL; - int *type = (int *)data; + int type; - if (*type & SND_JACK_MICROPHONE) - mic_jack = hs_jack; - if (*type & (SND_JACK_BTN_0 | SND_JACK_BTN_1 | - SND_JACK_BTN_2 | SND_JACK_BTN_3)) - btn_jack = hs_jack; + if (hs_jack) { + type = *(int *)data; + + if (type & SND_JACK_MICROPHONE) + mic_jack = hs_jack; + if (type & (SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3)) + btn_jack = hs_jack; + } return rt5645_set_jack_detect(component, hs_jack, mic_jack, btn_jack); } |