diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2019-11-02 13:11:41 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-17 20:37:27 +0100 |
| commit | 0eda2827797d047ad79ee5d9568531bed7950308 (patch) | |
| tree | 9272e6a16bec33e9217e38c36eeb886ed9c582d2 /kernel | |
| parent | 0d29e9eed56cadb805bb2f2432cda97e6621f17c (diff) | |
audit_get_nd(): don't unlock parent too early
[ Upstream commit 69924b89687a2923e88cc42144aea27868913d0e ]
if the child has been negative and just went positive
under us, we want coherent d_is_positive() and ->d_inode.
Don't unlock the parent until we'd done that work...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/audit_watch.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c index 4a98f6e314a9..35f1d706bd5b 100644 --- a/kernel/audit_watch.c +++ b/kernel/audit_watch.c @@ -365,12 +365,12 @@ static int audit_get_nd(struct audit_watch *watch, struct path *parent) struct dentry *d = kern_path_locked(watch->path, parent); if (IS_ERR(d)) return PTR_ERR(d); - inode_unlock(d_backing_inode(parent->dentry)); if (d_is_positive(d)) { /* update watch filter fields */ watch->dev = d->d_sb->s_dev; watch->ino = d_backing_inode(d)->i_ino; } + inode_unlock(d_backing_inode(parent->dentry)); dput(d); return 0; } |