[PATCH 01/21] Nskips maybe used uninitialized in bttv_risc_overlay

[mchehab]

From: Duncan Sands <baldrick@xxxxxxx>
Date: 1141914014 \-0300

The Coverity checker (previously Stanford checker) noticed that
the value of nskips could be read even if it was never written.

Signed-off-by: Duncan Sands <baldrick@xxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
---

 drivers/media/video/bttv-risc.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/media/video/bttv-risc.c b/drivers/media/video/bttv-risc.c
index b40e973..af66a8d 100644
--- a/drivers/media/video/bttv-risc.c
+++ b/drivers/media/video/bttv-risc.c
@@ -274,6 +274,8 @@ bttv_risc_overlay(struct bttv *btv, stru
 		if (line > maxy)
 			btcx_calc_skips(line, ov->w.width, &maxy,
 					skips, &nskips, ov->clips, ov->nclips);
+		else
+			nskips = 0;
 
 		/* write out risc code */
 		for (start = 0, skip = 0; start < ov->w.width; start = end) {

-
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