bnx2x: fail when try to setup unsupported features

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 57ff5b3..0809f6c 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -10982,6 +10982,9 @@
 	int changed = 0;
 	int rc = 0;
 
+	if (data & ~(ETH_FLAG_LRO | ETH_FLAG_RXHASH))
+		return -EOPNOTSUPP;
+
 	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
 		printk(KERN_ERR "Handling parity error recovery. Try again later\n");
 		return -EAGAIN;