回复: [PATCH] sound/isa/gus: fix null pointer dereference on pointer block

[YE Chengfeng]

Thanks so much,
-Chengfeng

-----邮件原件-----
发件人: Takashi Iwai <tiwai@xxxxxxx> 
发送时间: 2021年10月26日 14:02
收件人: YE Chengfeng <cyeaa@xxxxxxxxxxxxxx>
抄送: perex@xxxxxxxx; tiwai@xxxxxxxx; alsa-devel@xxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
主题: Re: [PATCH] sound/isa/gus: fix null pointer dereference on pointer block

On Sun, 24 Oct 2021 12:46:11 +0200,
Chengfeng Ye wrote:
> 
> The pointer block return from snd_gf1_dma_next_block could be null, so 
> there is a potential null pointer dereference issue.
> Fix this by adding a null check before dereference.
> 
> Signed-off-by: Chengfeng Ye <cyeaa@xxxxxxxxxxxxxx>

Thanks, applied.


Takashi