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[-next] ALSA: usb-audio: Fix invalid use of sizeof in parse_uac_endpoint_attributes()

Message ID 1533184262-148619-1-git-send-email-weiyongjun1@huawei.com (mailing list archive)
State New, archived
Headers show
Series [-next] ALSA: usb-audio: Fix invalid use of sizeof in parse_uac_endpoint_attributes() | expand

Commit Message

Wei Yongjun Aug. 2, 2018, 4:31 a.m. UTC
sizeof() when applied to a pointer typed expression gives the
size of the pointer, not that of the pointed data.

Fixes: 7edf3b5e6a45 ("ALSA: usb-audio: AudioStreaming Power Domain parsing")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 sound/usb/stream.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Takashi Iwai Aug. 2, 2018, 5:27 a.m. UTC | #1
On Thu, 02 Aug 2018 06:31:02 +0200,
Wei Yongjun wrote:
> 
> sizeof() when applied to a pointer typed expression gives the
> size of the pointer, not that of the pointed data.
> 
> Fixes: 7edf3b5e6a45 ("ALSA: usb-audio: AudioStreaming Power Domain parsing")
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

Applied, thanks.


Takashi

> ---
>  sound/usb/stream.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/usb/stream.c b/sound/usb/stream.c
> index 8fe3b0e..67cf849 100644
> --- a/sound/usb/stream.c
> +++ b/sound/usb/stream.c
> @@ -1037,7 +1037,7 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
>  		fp->rate_max = UAC3_BADD_SAMPLING_RATE;
>  		fp->rates = SNDRV_PCM_RATE_CONTINUOUS;
>  
> -		pd = kzalloc(sizeof(pd), GFP_KERNEL);
> +		pd = kzalloc(sizeof(*pd), GFP_KERNEL);
>  		if (!pd) {
>  			kfree(fp->rate_table);
>  			kfree(fp);
> 
>
diff mbox series

Patch

diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 8fe3b0e..67cf849 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -1037,7 +1037,7 @@  static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
 		fp->rate_max = UAC3_BADD_SAMPLING_RATE;
 		fp->rates = SNDRV_PCM_RATE_CONTINUOUS;
 
-		pd = kzalloc(sizeof(pd), GFP_KERNEL);
+		pd = kzalloc(sizeof(*pd), GFP_KERNEL);
 		if (!pd) {
 			kfree(fp->rate_table);
 			kfree(fp);