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>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/media/video/au0828/au0828-video.c b/drivers/media/video/au0828/au0828-video.c
index d97e0a28fb24..7989a7ba7c40 100644
--- a/drivers/media/video/au0828/au0828-video.c
+++ b/drivers/media/video/au0828/au0828-video.c
@@ -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;