linux-kernel - [ 020/173] drivers/leds/leds-lp5521.c: ret may be uninitialized

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Message-Id: <20121228190334.206284646@decadent.org.uk>
Date:	Fri, 28 Dec 2012 20:03:50 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Srinidhi KASAGAR <srinidhi.kasagar@...ricsson.com>,
	"Milo(Woogyom) Kim" <milo.kim@...com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Arun MURTHY <arun.murthy@...ricsson.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [ 020/173] drivers/leds/leds-lp5521.c: ret may be uninitialized

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

------------------

From: Srinidhi KASAGAR <srinidhi.kasagar@...ricsson.com>

commit 42960b76d2c6a44d7e8000f4eb9a4ca1780059ff upstream.

Fix it by assigning the lp5521_read return value.

Signed-off-by: srinidhi kasagar <srinidhi.kasagar@...ricsson.com>
Cc: Milo(Woogyom) Kim <milo.kim@...com>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: Arun MURTHY <arun.murthy@...ricsson.com>
Cc: Richard Purdie <rpurdie@...ys.net>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/leds/leds-lp5521.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index de7b8fe..410a723 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -784,7 +784,7 @@ static int __devinit lp5521_probe(struct i2c_client *client,
 	 * otherwise further access to the R G B channels in the
 	 * LP5521_REG_ENABLE register will not have any effect - strange!
 	 */
-	lp5521_read(client, LP5521_REG_R_CURRENT, &buf);
+	ret = lp5521_read(client, LP5521_REG_R_CURRENT, &buf);
 	if (buf != LP5521_REG_R_CURR_DEFAULT) {
 		dev_err(&client->dev, "error in resetting chip\n");
 		goto fail2;


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