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authorTheodore Ts'o <tytso@mit.edu>2018-11-06 17:18:17 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-21 09:26:02 +0100
commit11a2eb02e6d1efa664b2b52e9da5e2b6c8f28eb4 (patch)
treee0799a4f25af2cc0beef75d6607595ad447cbda8 /fs/ext4
parent142e0172e303708548844462fe70e276d739bac3 (diff)
ext4: avoid possible double brelse() in add_new_gdb() on error path
commit 4f32c38b4662312dd3c5f113d8bdd459887fb773 upstream. Fixes: b40971426a83 ("ext4: add error checking to calls to ...") Reported-by: Vasily Averin <vvs@virtuozzo.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org # 2.6.38 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/resize.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 76c3880eeff6..9be605c63ae1 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -844,6 +844,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);
if (unlikely(err)) {
ext4_std_error(sb, err);
+ iloc.bh = NULL;
goto exit_inode;
}
brelse(dind);