linux-kernel - [PATCH 4.2.y-ckt 160/206] am437x-vpfe: fix an uninitialized variable bug

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Message-Id: <1465507015-23052-161-git-send-email-kamal@canonical.com>
Date:	Thu,  9 Jun 2016 14:16:09 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Dan Carpenter <dan.carpenter@...cle.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 4.2.y-ckt 160/206] am437x-vpfe: fix an uninitialized variable bug

4.2.8-ckt12 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Dan Carpenter <dan.carpenter@...cle.com>

commit e4bccada44c177cde31b9a236b7dfd7f76d403ed upstream.

If we are doing V4L2_FIELD_NONE then "ret" is used uninitialized.

Fixes: 417d2e507edc ('[media] media: platform: add VPFE capture driver support for AM437X')

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
Signed-off-by: Hans Verkuil <hans.verkuil@...co.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@....samsung.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/media/platform/am437x/am437x-vpfe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
index 50dbb0b..10ed94f 100644
--- a/drivers/media/platform/am437x/am437x-vpfe.c
+++ b/drivers/media/platform/am437x/am437x-vpfe.c
@@ -1046,7 +1046,7 @@ static int vpfe_get_ccdc_image_format(struct vpfe_device *vpfe,
 static int vpfe_config_ccdc_image_format(struct vpfe_device *vpfe)
 {
 	enum ccdc_frmfmt frm_fmt = CCDC_FRMFMT_INTERLACED;
-	int ret;
+	int ret = 0;
 
 	vpfe_dbg(2, vpfe, "vpfe_config_ccdc_image_format\n");
 
-- 
2.7.4