Commit dc32464a authored by Al Viro's avatar Al Viro
Browse files

ceph_wait_on_conflict_unlink(): grab reference before dropping ->d_lock 



Use of dget() after we'd dropped ->d_lock is too late - dentry might
be gone by that point.

Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 1939316b

fs/ceph/mds_client.c

+1 −1
Original line number Diff line number Diff line
@@ -861,8 +861,8 @@ int ceph_wait_on_conflict_unlink(struct dentry *dentry) 
		if (!d_same_name(udentry, pdentry, &dname))

			goto next;



		found = dget_dlock(udentry);

		spin_unlock(&udentry->d_lock);

		found = dget(udentry);

		break;

next:

		spin_unlock(&udentry->d_lock);