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From: Michael Grzeschik <m.grzeschik@pengutronix.de>
To: linux-media@vger.kernel.org
Cc: g.liakhovetski@gmx.de, Michael Grzeschik <m.grzeschik@pengutronix.de>
Subject: [PATCH 2/5] mt9m111: fix missing return value check mt9m111_reg_clear
Date: Tue, 12 Jul 2011 17:39:03 +0200	[thread overview]
Message-ID: <1310485146-27759-2-git-send-email-m.grzeschik@pengutronix.de> (raw)
In-Reply-To: <1310485146-27759-1-git-send-email-m.grzeschik@pengutronix.de>

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
---
 drivers/media/video/mt9m111.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index f10dcf0..e08b46c 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -248,7 +248,9 @@ static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg,
 	int ret = 0;
 
 	ret = mt9m111_reg_read(client, reg);
-	return mt9m111_reg_write(client, reg, ret & ~data);
+	if (ret >= 0)
+		ret = mt9m111_reg_write(client, reg, ret & ~data);
+	return ret;
 }
 
 static int mt9m111_set_context(struct i2c_client *client,
-- 
1.7.5.4


  reply	other threads:[~2011-07-12 15:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-12 15:39 [PATCH 1/5] mt9m111: set inital return values to zero Michael Grzeschik
2011-07-12 15:39 ` Michael Grzeschik [this message]
2011-07-17 16:54   ` [PATCH 2/5] mt9m111: fix missing return value check mt9m111_reg_clear Guennadi Liakhovetski
2011-07-12 15:39 ` [PATCH 3/5] mt9m111: move lastpage to struct mt9m111 for multi instances Michael Grzeschik
2011-07-14 15:27   ` Laurent Pinchart
2011-07-17 16:53     ` Guennadi Liakhovetski
2011-07-19 13:26   ` [PATCH v2] " Michael Grzeschik
2011-07-19 14:10     ` Guennadi Liakhovetski
2011-07-12 15:39 ` [PATCH v4 4/5] mt9m111: rewrite set_pixfmt Michael Grzeschik
2011-07-17 17:09   ` Guennadi Liakhovetski
2011-07-22 11:57     ` Michael Grzeschik
2011-07-12 15:39 ` [PATCH 5/5] mt9m111: make use of testpattern Michael Grzeschik
2011-07-17 16:55   ` Guennadi Liakhovetski
2011-07-14 15:25 ` [PATCH 1/5] mt9m111: set inital return values to zero Laurent Pinchart
2011-07-17 16:52   ` Guennadi Liakhovetski

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