linux-kernel - [PATCH ext3/ext4] lost brelse in ext3_read

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Message-ID: <4661652D.9040404@sw.ru>
Date:	Sat, 02 Jun 2007 16:40:13 +0400
From:	Vasily Averin <vvs@...ru>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>, devel@...nvz.org,
	linux-ext4@...r.kernel.org, Stephen Tweedie <sct@...hat.com>,
	adilger@...sterfs.com
Subject: [PATCH ext3/ext4] lost brelse in ext3_read_inode

From:	Kirill Korotaev <dev@...nvz.org>

One of error path in ext3_read_inode() leaks bh since brelse is forgoten.

Signed-Off-By:	Kirill Korotaev <dev@...nvz.org>
Acked-by:	Vasily Averin <vvs@...ru>

diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index a6cb617..2a85dde 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -2677,8 +2677,10 @@ void ext3_read_inode(struct inode * inode)
 		 */
 		ei->i_extra_isize = le16_to_cpu(raw_inode->i_extra_isize);
 		if (EXT3_GOOD_OLD_INODE_SIZE + ei->i_extra_isize >
-		    EXT3_INODE_SIZE(inode->i_sb))
+		    EXT3_INODE_SIZE(inode->i_sb)) {
+			brelse (bh);
 			goto bad_inode;
+		}
 		if (ei->i_extra_isize == 0) {
 			/* The extra space is currently unused. Use it. */
 			ei->i_extra_isize = sizeof(struct ext3_inode) -
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index b34182b..0cd7bc4 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2673,8 +2673,10 @@ void ext4_read_inode(struct inode * inode)
 		 */
 		ei->i_extra_isize = le16_to_cpu(raw_inode->i_extra_isize);
 		if (EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize >
-		    EXT4_INODE_SIZE(inode->i_sb))
+		    EXT4_INODE_SIZE(inode->i_sb)) {
+			brelse (bh);
 			goto bad_inode;
+		}
 		if (ei->i_extra_isize == 0) {
 			/* The extra space is currently unused. Use it. */
 			ei->i_extra_isize = sizeof(struct ext4_inode) -

-
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