i40e: Remove zero check

A mirror rule ID may be zero so do not return invalid parameter when the
user passes in a zero value for a rule ID.

Change-ID: I261b8c24725ce2c6ed32f859da81093dfcbe2970
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index 1db4790..25872f2 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -2668,10 +2668,7 @@
 			u16 *rules_used, u16 *rules_free)
 {
 	/* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */
-	if (rule_type != I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
-		if (!rule_id)
-			return I40E_ERR_PARAM;
-	} else {
+	if (rule_type == I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
 		/* count and mr_list shall be valid for rule_type INGRESS VLAN
 		 * mirroring. For other rule_type, count and rule_type should
 		 * not matter.