[-next] V4L: au0828: move dereference below sanity checks

Commit Message

Dan Carpenter July 23, 2010, 10:09 a.m. UTC

None

Patch

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;