linux-kernel - [PATCH] hfsplus: Fix kfree of wrong vhdr pointers

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Message-Id: <1315841227-24535-1-git-send-email-seth.forshee@canonical.com>
Date:	Mon, 12 Sep 2011 10:27:07 -0500
From:	Seth Forshee <seth.forshee@...onical.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	linux-fsdevel@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Pavel Ivanov <paivanof@...il.com>,
	Hin-Tak Leung <htl10@...rs.sourceforge.net>
Subject: [PATCH] hfsplus: Fix kfree of wrong vhdr pointers

Commit 6596528 (hfsplus: ensure bio requests are not smaller than
the hardware sectors) changed the pointers used for volume header
allocations, but a couple of spots are still freeing the old
pointers. This patch fixes the problem.

Signed-off-by: Seth Forshee <seth.forshee@...onical.com>
Acked-by: Pavel Ivanov <paivanof@...il.com>
Acked-by: Hin-Tak Leung <htl10@...rs.sourceforge.net>
Cc: <stable@...nel.org>
---
 fs/hfsplus/super.c   |    4 ++--
 fs/hfsplus/wrapper.c |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index c106ca2..cadbb8c 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -525,8 +525,8 @@ out_close_cat_tree:
 out_close_ext_tree:
 	hfs_btree_close(sbi->ext_tree);
 out_free_vhdr:
-	kfree(sbi->s_vhdr);
-	kfree(sbi->s_backup_vhdr);
+	kfree(sbi->s_vhdr_buf);
+	kfree(sbi->s_backup_vhdr_buf);
 out_unload_nls:
 	unload_nls(sbi->nls);
 	unload_nls(nls);
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 10e515a..7daf4b8 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -272,9 +272,9 @@ reread:
 	return 0;
 
 out_free_backup_vhdr:
-	kfree(sbi->s_backup_vhdr);
+	kfree(sbi->s_backup_vhdr_buf);
 out_free_vhdr:
-	kfree(sbi->s_vhdr);
+	kfree(sbi->s_vhdr_buf);
 out:
 	return error;
 }
-- 
1.7.4.1

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