aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/au0828
diff options
context:
space:
mode:
authorDan Carpenter <error27@gmail.com>2010-07-23 07:09:20 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-08-02 16:43:01 -0300
commitb5f5933a6ab63725aedfb92f015007d4ccd33a55 (patch)
tree35d4dea28c9d670c19537c3347cf954a926eceb5 /drivers/media/video/au0828
parent49b7a12c0aa217c9fb163d330b5b80bafe55cb8b (diff)
downloadkernel_samsung_tuna-b5f5933a6ab63725aedfb92f015007d4ccd33a55.zip
kernel_samsung_tuna-b5f5933a6ab63725aedfb92f015007d4ccd33a55.tar.gz
kernel_samsung_tuna-b5f5933a6ab63725aedfb92f015007d4ccd33a55.tar.bz2
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>
Diffstat (limited to 'drivers/media/video/au0828')
-rw-r--r--drivers/media/video/au0828/au0828-video.c4
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 d97e0a2..7989a7b 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;