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| author | Shijie Luo <luoshijie1@huawei.com> | 2021-03-12 07:50:51 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2021-03-21 05:14:08 +0100 |
| commit | 7d8bd3c76da1d94b85e6c9b7007e20e980bfcfe6 (patch) | |
| tree | 0cee9b98391bae8e7c9f5c94a13453258f58b122 | |
| parent | ext4: do not try to set xattr into ea_inode if value is empty (diff) | |
| download | linux-7d8bd3c76da1d94b85e6c9b7007e20e980bfcfe6.tar.xz linux-7d8bd3c76da1d94b85e6c9b7007e20e980bfcfe6.zip | |
ext4: fix potential error in ext4_do_update_inode
If set_large_file = 1 and errors occur in ext4_handle_dirty_metadata(),
the error code will be overridden, go to out_brelse to avoid this
situation.
Signed-off-by: Shijie Luo <luoshijie1@huawei.com>
Link: https://lore.kernel.org/r/20210312065051.36314-1-luoshijie1@huawei.com
Cc: stable@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
| -rw-r--r-- | fs/ext4/inode.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index a79a9ea58c56..927e47db7f00 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5026,7 +5026,7 @@ static int ext4_do_update_inode(handle_t *handle, struct ext4_inode_info *ei = EXT4_I(inode); struct buffer_head *bh = iloc->bh; struct super_block *sb = inode->i_sb; - int err = 0, rc, block; + int err = 0, block; int need_datasync = 0, set_large_file = 0; uid_t i_uid; gid_t i_gid; @@ -5138,9 +5138,9 @@ static int ext4_do_update_inode(handle_t *handle, bh->b_data); BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata"); - rc = ext4_handle_dirty_metadata(handle, NULL, bh); - if (!err) - err = rc; + err = ext4_handle_dirty_metadata(handle, NULL, bh); + if (err) + goto out_brelse; ext4_clear_inode_state(inode, EXT4_STATE_NEW); if (set_large_file) { BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get write access"); |