Commit f44c3890 authored by Dan Carpenter's avatar Dan Carpenter Committed by Sage Weil
Browse files

ceph: ceph_mdsc_build_path() returns an ERR_PTR 



ceph_mdsc_build_path() returns an ERR_PTR but this code is set up to
handle NULL returns.

Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent ad8453ab

fs/ceph/debugfs.c

+4 −0
Original line number Diff line number Diff line
@@ -171,6 +171,8 @@ static int mdsc_show(struct seq_file *s, void *p) 
		} else if (req->r_dentry) {

			path = ceph_mdsc_build_path(req->r_dentry, &pathlen,

						    &pathbase, 0);

			if (IS_ERR(path))

				path = NULL;

			spin_lock(&req->r_dentry->d_lock);

			seq_printf(s, " #%llx/%.*s (%s)",

				   ceph_ino(req->r_dentry->d_parent->d_inode),
@@ -187,6 +189,8 @@ static int mdsc_show(struct seq_file *s, void *p) 
		if (req->r_old_dentry) {

			path = ceph_mdsc_build_path(req->r_old_dentry, &pathlen,

						    &pathbase, 0);

			if (IS_ERR(path))

				path = NULL;

			spin_lock(&req->r_old_dentry->d_lock);

			seq_printf(s, " #%llx/%.*s (%s)",

			   ceph_ino(req->r_old_dentry->d_parent->d_inode),