diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index d8ddfc5..3f18a26 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2222,6 +2222,8 @@
 	hdr->tag = (char *)p;
 	p += XDR_QUADLEN(hdr->taglen);
 	READ32(hdr->nops);
+	if (unlikely(hdr->nops < 1))
+		return nfs4_stat_to_errno(hdr->status);
 	return 0;
 }