V4L/DVB: au0828: move dereference below sanity checks
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>
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@ -441,7 +441,7 @@ static void au0828_copy_vbi(struct au0828_dev *dev,
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unsigned char *outp, unsigned long len)
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{
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unsigned char *startwrite, *startread;
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int bytesperline = dev->vbi_width;
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int bytesperline;
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int i, j = 0;
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if (dev == NULL) {
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@ -464,6 +464,8 @@ static void au0828_copy_vbi(struct au0828_dev *dev,
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return;
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}
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bytesperline = dev->vbi_width;
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if (dma_q->pos + len > buf->vb.size)
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len = buf->vb.size - dma_q->pos;
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