From 99ca99915068806552d1f90ce50bed4c7387d65a Mon Sep 17 00:00:00 2001
From: Duncan Sands <baldrick@free.fr>
Date: Thu, 9 Mar 2006 11:20:14 -0300
Subject: V4L/DVB (3420): Nskips maybe used uninitialized in bttv_risc_overlay

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@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---
 drivers/media/video/bttv-risc.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'drivers/media')

diff --git a/drivers/media/video/bttv-risc.c b/drivers/media/video/bttv-risc.c
index a60c211c9e3..5c746110df6 100644
--- a/drivers/media/video/bttv-risc.c
+++ b/drivers/media/video/bttv-risc.c
@@ -276,6 +276,8 @@ bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc,
 		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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