linux-kernel - [PATCH] base: firmware_class, fix lock imbalance

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Message-Id: <1245621451-26814-1-git-send-email-jirislaby@gmail.com>
Date:	Sun, 21 Jun 2009 23:57:31 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	gregkh@...e.de
Cc:	linux-kernel@...r.kernel.org, Jiri Slaby <jirislaby@...il.com>
Subject: [PATCH] base: firmware_class, fix lock imbalance

Add omitted unlock in firmware_data_read.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
 drivers/base/firmware_class.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index ddeb819..2da4803 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -217,8 +217,10 @@ firmware_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 		ret_count = -ENODEV;
 		goto out;
 	}
-	if (offset > fw->size)
-		return 0;
+	if (offset > fw->size) {
+		ret_count = 0;
+		goto out;
+	}
 	if (count > fw->size - offset)
 		count = fw->size - offset;
 
-- 
1.6.3.2

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