X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fproc_namespace.c;h=87645955990d15a9df03df7b0c4b4b82100f1543;hb=e54c41be42cd77cf11817bc50f91933cda3903d9;hp=8ebd9a3340852823b17f61af59f4dd6a65f1b35f;hpb=9c69481ed0b4e6e525e6d8d4d3d83b612397e67d;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 8ebd9a334085..87645955990d 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -197,6 +197,8 @@ static int show_vfsstat(struct seq_file *m, struct vfsmount *mnt)
 	if (sb->s_op->show_devname) {
 		seq_puts(m, "device ");
 		err = sb->s_op->show_devname(m, mnt_path.dentry);
+		if (err)
+			goto out;
 	} else {
 		if (r->mnt_devname) {
 			seq_puts(m, "device ");