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V4L/DVB: au0828: move dereference below sanity checks

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This function has sanity checks to make sure that "dev" is non-null.  I
moved the dereference down below the checks.  In the current code "dev"
is never actually null.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dan Carpenter 2010-07-23 07:09:20 -03:00 committed by Mauro Carvalho Chehab
parent 49b7a12c0a
commit b5f5933a6a
1 changed files with 3 additions and 1 deletions
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4
drivers/media/video/au0828/au0828-video.c
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@ -441,7 +441,7 @@ static void au0828_copy_vbi(struct au0828_dev *dev,
unsigned char *outp, unsigned long len)
{
unsigned char *startwrite, *startread;
int bytesperline = dev->vbi_width;
int bytesperline;
int i, j = 0;
if (dev == NULL) {
@ -464,6 +464,8 @@ static void au0828_copy_vbi(struct au0828_dev *dev,
return;
}
bytesperline = dev->vbi_width;
if (dma_q->pos + len > buf->vb.size)
len = buf->vb.size - dma_q->pos;