linux-kernel - [PATCH 1/1] [media] v4l: omap4iss: configuration using uninitialized variable

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Date:	Thu, 19 Jun 2014 00:31:27 +0200
From:	Heinrich Schuchardt <xypron.glpk@....de>
To:	Mauro Carvalho Chehab <m.chehab@...sung.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Sergio Aguirre <sergio.a.aguirre@...il.com>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org,
	Heinrich Schuchardt <xypron.glpk@....de>
Subject: [PATCH 1/1] [media] v4l: omap4iss: configuration using uninitialized variable

Variable reg is not initialized.
Random values are written to OMAP4 ISS registers if !ctx->eof_enabled.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
---
 drivers/staging/media/omap4iss/iss_csi2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/omap4iss/iss_csi2.c b/drivers/staging/media/omap4iss/iss_csi2.c
index bf8a657..9ae4871 100644
--- a/drivers/staging/media/omap4iss/iss_csi2.c
+++ b/drivers/staging/media/omap4iss/iss_csi2.c
@@ -317,7 +317,7 @@ static void csi2_ctx_enable(struct iss_csi2_device *csi2, u8 ctxnum, u8 enable)
 static void csi2_ctx_config(struct iss_csi2_device *csi2,
 			    struct iss_csi2_ctx_cfg *ctx)
 {
-	u32 reg;
+	u32 reg = 0;
 
 	/* Set up CSI2_CTx_CTRL1 */
 	if (ctx->eof_enabled)
-- 
2.0.0

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