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authorTheodore Ts'o <tytso@mit.edu>2018-11-06 17:18:17 -0500
committerMoyster <oysterized@gmail.com>2018-12-01 23:04:25 +0100
commit72f5f9308d3c8d818bfbb349e47bda66bf679852 (patch)
treed236486a7ed60a4fae5646c119c822bbc67370cd /fs/ext4
parentbd7f447d2121c6db5907aff86069800049596399 (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 93764595f..8cbb5c7dc 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);