X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fproc_namespace.c;h=87645955990d15a9df03df7b0c4b4b82100f1543;hb=7c6edaf7e9e54e64824780583d14c008acec69a4;hp=8ebd9a3340852823b17f61af59f4dd6a65f1b35f;hpb=59c3cb553f5fc4ed6868eeaae6ffd8e1daf6d93e;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 ");