linux-kernel - [PATCH] pinctrl: Fix potential memory leak in pinctrl_register_one

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Message-Id: <1348557100-16972-1-git-send-email-sachin.kamat@linaro.org>
Date:	Tue, 25 Sep 2012 12:41:40 +0530
From:	Sachin Kamat <sachin.kamat@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	linus.walleij@...aro.org, sachin.kamat@...aro.org,
	patches@...aro.org
Subject: [PATCH] pinctrl: Fix potential memory leak in pinctrl_register_one_pin()

'pindesc' was not freed when returning from an error induced
exit path.

Signed-off-by: Sachin Kamat <sachin.kamat@...aro.org>
---
 drivers/pinctrl/core.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index dc5c126..0f1ec9e 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -230,8 +230,10 @@ static int pinctrl_register_one_pin(struct pinctrl_dev *pctldev,
 		pindesc->name = name;
 	} else {
 		pindesc->name = kasprintf(GFP_KERNEL, "PIN%u", number);
-		if (pindesc->name == NULL)
+		if (pindesc->name == NULL) {
+			kfree(pindesc);
 			return -ENOMEM;
+		}
 		pindesc->dynamic_name = true;
 	}
 
-- 
1.7.4.1

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