linux-kernel - [PATCH] ieee802154/adf7242: fix memory leak of firmware

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Message-Id: <1460027764-27428-1-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Thu,  7 Apr 2016 16:46:04 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Michael Hennerich <michael.hennerich@...log.com>,
	Alexander Aring <aar@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org, linux-wpan@...r.kernel.org,
	netdev@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] ieee802154/adf7242: fix memory leak of firmware

If the firmware upload or the firmware verification fails then we
printed the error message and exited but we missed releasing the
firmware.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
---
 drivers/net/ieee802154/adf7242.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c
index 89154c0..91d4531 100644
--- a/drivers/net/ieee802154/adf7242.c
+++ b/drivers/net/ieee802154/adf7242.c
@@ -1030,6 +1030,7 @@ static int adf7242_hw_init(struct adf7242_local *lp)
 	if (ret) {
 		dev_err(&lp->spi->dev,
 			"upload firmware failed with %d\n", ret);
+		release_firmware(fw);
 		return ret;
 	}
 
@@ -1037,6 +1038,7 @@ static int adf7242_hw_init(struct adf7242_local *lp)
 	if (ret) {
 		dev_err(&lp->spi->dev,
 			"verify firmware failed with %d\n", ret);
+		release_firmware(fw);
 		return ret;
 	}
 
-- 
1.9.1