2022-02-16 03:16:52

by Yang Li

Subject: [PATCH -next] ASoC: codec: wcd938x: Fix NULL but dereferenced coccicheck error

Eliminate the following coccicheck warning:
./sound/soc/codecs/wcd938x.c:4210:21-24: ERROR: component is NULL but
dereferenced.

Reported-by: Abaci Robot <[email protected]>
Fixes: 013cc2aea0f6 ("ASoC: codec: wcd938x: Add switch control for selecting CTIA/OMTP Headset")
Signed-off-by: Yang Li <[email protected]>
---
sound/soc/codecs/wcd938x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index 2663fe0bf64f..c46c4bfd84f2 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -4207,7 +4207,7 @@ static bool wcd938x_swap_gnd_mic(struct snd_soc_component *component, bool activ
struct wcd938x_priv *wcd938x;

if (!component) {
- dev_err(component->dev, "%s component is NULL\n", __func__);
+ pr_err("The snd_soc_component is NULL\n");
return false;
}

--
2.20.1.7.g153144c

2022-02-16 11:39:14

by Srinivasa Rao Mandadapu

Subject: Re: [PATCH -next] ASoC: codec: wcd938x: Fix NULL but dereferenced coccicheck error

On 2/16/2022 7:41 AM, Yang Li wrote:
Thanks for Fix Yang!!!
We are going to post complete cleaned patch. Shall we ignore this patch
for now?
> Eliminate the following coccicheck warning:
> ./sound/soc/codecs/wcd938x.c:4210:21-24: ERROR: component is NULL but
> dereferenced.
>
> Reported-by: Abaci Robot <[email protected]>
> Fixes: 013cc2aea0f6 ("ASoC: codec: wcd938x: Add switch control for selecting CTIA/OMTP Headset")
> Signed-off-by: Yang Li <[email protected]>
> ---
> sound/soc/codecs/wcd938x.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
> index 2663fe0bf64f..c46c4bfd84f2 100644
> --- a/sound/soc/codecs/wcd938x.c
> +++ b/sound/soc/codecs/wcd938x.c
> @@ -4207,7 +4207,7 @@ static bool wcd938x_swap_gnd_mic(struct snd_soc_component *component, bool activ
> struct wcd938x_priv *wcd938x;
>
> if (!component) {
> - dev_err(component->dev, "%s component is NULL\n", __func__);
> + pr_err("The snd_soc_component is NULL\n");
> return false;
> }
>