1 files changed, 4 insertions, 0 deletions

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index f37df46d2eaa..0747bb5ffcf1 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1104,6 +1104,10 @@ exp_rootfh(svc_client *clp, char *path, struct knfsd_fh *f, int maxsize)
                  path, nd.dentry, clp->name,
                  inode->i_sb->s_id, inode->i_ino);
         exp = exp_parent(clp, nd.mnt, nd.dentry, NULL);
+        if (IS_ERR(exp)) {
+                err = PTR_ERR(exp);
+                goto out;
+        }
         if (!exp) {
                 dprintk("nfsd: exp_rootfh export not found.\n");
                 goto out;