[PATCH 3.16 150/305] ext4: avoid possible double brelse() in add_new_gdb() on error path

3.16.63-rc1 review patch. If anyone has any objections, please let me know.

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From: Theodore Ts'o tytso@mit.edu

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 Signed-off-by: Ben Hutchings ben@decadent.org.uk --- fs/ext4/resize.c | 1 + 1 file changed, 1 insertion(+)

--- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -845,6 +845,7 @@ static int add_new_gdb(handle_t *handle, 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);