On Sun, Aug 25, 2013 at 02:23:18PM +0200, Sylwester Nawrocki wrote:
> On 08/23/2013 11:46 AM, Dan Carpenter wrote:
> >[ Going through some old warnings... ]
> >
> >Hello Sylwester Nawrocki,
> >
> >This is a semi-automatic email about new static checker warnings.
> >
> >The patch babde1c243b2: "[media] V4L: Add driver for S3C24XX/S3C64XX
> >SoC series camera interface" from Aug 22, 2012, leads to the
> >following Smatch complaint:
> >
> >drivers/media/platform/s3c-camif/camif-capture.c:463 queue_setup()
> > warn: variable dereferenced before check 'fmt' (see line 460)
> >
> >drivers/media/platform/s3c-camif/camif-capture.c
> > 455 if (pfmt) {
> > 456 pix =&pfmt->fmt.pix;
> > 457 fmt = s3c_camif_find_format(vp,&pix->pixelformat, -1);
> > 458 size = (pix->width * pix->height * fmt->depth) / 8;
> > ^^^^^^^^^^
> >Dereference.
> >
> > 459 } else {
> > 460 size = (frame->f_width * frame->f_height * fmt->depth) / 8;
> > ^^^^^^^^^^
> >Dereference.
> >
> > 461 }
> > 462
> > 463 if (fmt == NULL)
> > ^^^^^^^^^^^
> >Check.
>
> Thanks for the bug report. This check of course should be before line 455.
> Would you like to sent a patch for this or should I handle that ?
Could you handle it and give me the Reported-by tag?
regards,
dan carpenter
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