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ext4: fix error handling code in add_new_gdb

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When ext4_journal_get_write_access() fails, we should
terminate the execution flow and release n_group_desc,
iloc.bh, dind and gdb_bh.

Cc: stable@kernel.org
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Link: https://lore.kernel.org/r/20200829025403.3139-1-dinghao.liu@zju.edu.cn
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Dinghao Liu 2020-08-29 10:54:02 +08:00 committed by Theodore Ts'o
parent aa2f77920b
commit c9e87161cc
1 changed files with 3 additions and 1 deletions
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4
fs/ext4/resize.c
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@ -843,8 +843,10 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
BUFFER_TRACE(dind, "get_write_access");
err = ext4_journal_get_write_access(handle, dind);
if (unlikely(err))
if (unlikely(err)) {
ext4_std_error(sb, err);
goto errout;
}
/* ext4_reserve_inode_write() gets a reference on the iloc */
err = ext4_reserve_inode_write(handle, inode, &iloc);