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V4L/DVB (3420): Nskips maybe used uninitialized in bttv_risc_overlay
author
Duncan Sands
<baldrick@free.fr>
Thu, 9 Mar 2006 14:20:14 +0000
(11:20 -0300)
committer
Linus Torvalds
<torvalds@g5.osdl.org>
Tue, 21 Mar 2006 16:52:56 +0000
(08:52 -0800)
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
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diff --git
a/drivers/media/video/bttv-risc.c
b/drivers/media/video/bttv-risc.c
index a60c211c9e31ba4d667494e77e80bdf9b67a0c4b..5c746110df6295a84f0fa5b830d3e2651c55edc6 100644
(file)
--- 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) {