diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 058ade7efe79407847b1af74a6d73bcbf90e0aec..97abd829e4327ca3d065279e58f2dcb25f6632b7 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -139,7 +139,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
 	if (unlikely(status != 0))
 		return status;
 	/* We do not like overly long tags! */
-	if (hdr->taglen > CB_OP_TAGLEN_MAXSZ-12 || hdr->taglen < 0) {
+	if (hdr->taglen > CB_OP_TAGLEN_MAXSZ - 12) {
 		printk("NFSv4 CALLBACK %s: client sent tag of length %u\n",
 				__FUNCTION__, hdr->taglen);
 		return htonl(NFS4ERR_RESOURCE);