diff options
| author | Dan Carpenter <error27@gmail.com> | 2010-07-23 07:09:20 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-08-02 16:43:01 -0300 |
| commit | b5f5933a6ab63725aedfb92f015007d4ccd33a55 (patch) | |
| tree | 35d4dea28c9d670c19537c3347cf954a926eceb5 /drivers/media | |
| parent | 49b7a12c0aa217c9fb163d330b5b80bafe55cb8b (diff) | |
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')
| -rw-r--r-- | drivers/media/video/au0828/au0828-video.c | 4 |
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 d97e0a28fb2..7989a7ba7c4 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; |