IB/sa: Don't need to check for default P_Key twice

Now that ib_find_pkey() ignores the membership bit of P_Keys, there's no
need for ib_sa to look for both 0x7fff and 0xffff in a port's P_Key table.
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/core/sa_query.c

@@ -385,9 +385,7 @@ static void update_sm_ah(struct work_struct *work)
 
 	new_ah->pkey_index = 0;
 	if (ib_find_pkey(port->agent->device, port->port_num,
-			 IB_DEFAULT_PKEY_FULL, &new_ah->pkey_index) &&
-	    ib_find_pkey(port->agent->device, port->port_num,
-			 IB_DEFAULT_PKEY_PARTIAL, &new_ah->pkey_index))
+			 IB_DEFAULT_PKEY_FULL, &new_ah->pkey_index))
 		printk(KERN_ERR "Couldn't find index for default PKey\n");
 
 	memset(&ah_attr, 0, sizeof ah_attr);