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ext4: avoid possible double brelse() in add_new_gdb() on error path

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commit 4f32c38b4662312dd3c5f113d8bdd459887fb773 upstream.

Fixes: b40971426a ("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>
This commit is contained in:
Theodore Ts'o 2018-11-06 17:18:17 -05:00 • committed by Greg Kroah-Hartman
parent 7f168837b1
commit 6371a05a15
1 changed files with 1 additions and 0 deletions
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fs/ext4/resize.c
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@ -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);