[ 115/221] ext4: release buffer in failed path in dx_probe()

From: Greg Kroah-Hartman
Date: Tue Jan 15 2013 - 19:17:20 EST


3.7-stable review patch. If anyone has any objections, please let me know.

------------------

From: Guo Chao <yan@xxxxxxxxxxxxxxxxxx>

commit 0ecaef0644973e9006fdbc6974301047aaff9bc6 upstream.

If checksum fails, we should also release the buffer
read from previous iteration.

Signed-off-by: Guo Chao <yan@xxxxxxxxxxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
Reviewed-by: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
fs/ext4/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -725,7 +725,7 @@ dx_probe(const struct qstr *d_name, stru
ext4_warning(dir->i_sb, "Node failed checksum");
brelse(bh);
*err = ERR_BAD_DX_DIR;
- goto fail;
+ goto fail2;
}
set_buffer_verified(bh);



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