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Commit 99ca9991 authored by Duncan Sands's avatar Duncan Sands Committed by Linus Torvalds
Browse files

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: default avatarDuncan Sands <baldrick@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent efcf55cb

drivers/media/video/bttv-risc.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -276,6 +276,8 @@ bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc, 
		if (line > maxy)

		if (line > maxy)

			btcx_calc_skips(line, ov->w.width, &maxy,

			btcx_calc_skips(line, ov->w.width, &maxy,

					skips, &nskips, ov->clips, ov->nclips);

					skips, &nskips, ov->clips, ov->nclips);

		else

			nskips = 0;





		/* write out risc code */

		/* write out risc code */

		for (start = 0, skip = 0; start < ov->w.width; start = end) {

		for (start = 0, skip = 0; start < ov->w.width; start = end) {