Re: [PATCH v2 4/4] staging: media: zoran: replace dprintk with new debugging macros

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On Thu, Apr 28, 2022 at 10:15:03AM +0200, Hans Verkuil wrote:
> Hi Ian,
> 
> When I compiled this patch series with smatch I got these warnings:
> 
> zoran/videocodec.c:45 videocodec_attach() warn: variable dereferenced before check 'master' (see line 40)
> zoran/videocodec.c:115 videocodec_detach() warn: variable dereferenced before check 'codec' (see line 111)
> zoran/videocodec.c:168 videocodec_register() warn: variable dereferenced before check 'codec' (see line 166)
> zoran/videocodec.c:200 videocodec_unregister() warn: variable dereferenced before check 'codec' (see line 198)
> 
> And I also got this warning when checking the kerneldoc:
> 
> zoran/zoran.h:307: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
> 
> Can you fix this and post a v3?
> 
> Thanks!
> 
> 	Hans

I just resubmitted v3.

What did you use to see these issues? When I ran the checkpatch script
and compiled, I did not see any of this.

Thanks!
Ian




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