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| author |   Chengguang Xu <cgxu519@mykernel.net> | 2019-10-18 20:19:47 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-19 06:32:32 -0400 |
| commit | ce750f43f5790de74c1644c39d78f684071658d1 (patch) | |
| tree | 0b8994474fa6838a18f11fe8cb19d611db17cad4 /fs/ocfs2 | |
| parent | mm: memcg/slab: fix panic in __free_slab() caused by premature memcg pointer release (diff) | |
| download | wireguard-linux-ce750f43f5790de74c1644c39d78f684071658d1.tar.xz wireguard-linux-ce750f43f5790de74c1644c39d78f684071658d1.zip | |
ocfs2: fix error handling in ocfs2_setattr()
Should set transfer_to[USRQUOTA/GRPQUOTA] to NULL on error case before
jumping to do dqput().
Link: http://lkml.kernel.org/r/20191010082349.1134-1-cgxu519@mykernel.net
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2')
| -rw-r--r-- | fs/ocfs2/file.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 2e982db3e1ae..53939bf9d7d2 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1230,6 +1230,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) transfer_to[USRQUOTA] = dqget(sb, make_kqid_uid(attr->ia_uid)); if (IS_ERR(transfer_to[USRQUOTA])) { status = PTR_ERR(transfer_to[USRQUOTA]); + transfer_to[USRQUOTA] = NULL; goto bail_unlock; } } @@ -1239,6 +1240,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) transfer_to[GRPQUOTA] = dqget(sb, make_kqid_gid(attr->ia_gid)); if (IS_ERR(transfer_to[GRPQUOTA])) { status = PTR_ERR(transfer_to[GRPQUOTA]); + transfer_to[GRPQUOTA] = NULL; goto bail_unlock; } } |