bnxt_en: Modify some bnxt_hwrm_*_free() functions to void.

Return code is not needed in some of these functions, as the return
code from firmware message is ignored. Remove the unused rc variable
and also convert functions to void.
Signed-off-by: NVasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: NMichael Chan <michael.chan@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -5060,10 +5060,8 @@ int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id)
 	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
 }
 
-static int bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id)
+static void bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id)
 {
-	u32 rc = 0;
-
 	if (bp->vnic_info[vnic_id].fw_vnic_id != INVALID_HW_RING_ID) {
 		struct hwrm_vnic_free_input req = {0};
 
@@ -5071,10 +5069,9 @@ static int bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id)
 		req.vnic_id =
 			cpu_to_le32(bp->vnic_info[vnic_id].fw_vnic_id);
 
-		rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+		hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
 		bp->vnic_info[vnic_id].fw_vnic_id = INVALID_HW_RING_ID;
 	}
-	return rc;
 }
 
 static void bnxt_hwrm_vnic_free(struct bnxt *bp)
@@ -5191,14 +5188,13 @@ static int bnxt_hwrm_ring_grp_alloc(struct bnxt *bp)
 	return rc;
 }
 
-static int bnxt_hwrm_ring_grp_free(struct bnxt *bp)
+static void bnxt_hwrm_ring_grp_free(struct bnxt *bp)
 {
 	u16 i;
-	u32 rc = 0;
 	struct hwrm_ring_grp_free_input req = {0};
 
 	if (!bp->grp_info || (bp->flags & BNXT_FLAG_CHIP_P5))
-		return 0;
+		return;
 
 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_FREE, -1, -1);
 
@@ -5209,12 +5205,10 @@ static int bnxt_hwrm_ring_grp_free(struct bnxt *bp)
 		req.ring_group_id =
 			cpu_to_le32(bp->grp_info[i].fw_grp_id);
 
-		rc = _hwrm_send_message(bp, &req, sizeof(req),
-					HWRM_CMD_TIMEOUT);
+		_hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
 		bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID;
 	}
 	mutex_unlock(&bp->hwrm_cmd_lock);
-	return rc;
 }
 
 static int hwrm_ring_alloc_send_msg(struct bnxt *bp,
@@ -6302,16 +6296,16 @@ int bnxt_hwrm_set_coal(struct bnxt *bp)
 	return rc;
 }
 
-static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
+static void bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
 {
-	int rc = 0, i;
 	struct hwrm_stat_ctx_free_input req = {0};
+	int i;
 
 	if (!bp->bnapi)
-		return 0;
+		return;
 
 	if (BNXT_CHIP_TYPE_NITRO_A0(bp))
-		return 0;
+		return;
 
 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_FREE, -1, -1);
 
@@ -6323,14 +6317,13 @@ static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
 		if (cpr->hw_stats_ctx_id != INVALID_STATS_CTX_ID) {
 			req.stat_ctx_id = cpu_to_le32(cpr->hw_stats_ctx_id);
 
-			rc = _hwrm_send_message(bp, &req, sizeof(req),
-						HWRM_CMD_TIMEOUT);
+			_hwrm_send_message(bp, &req, sizeof(req),
+					   HWRM_CMD_TIMEOUT);
 
 			cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID;
 		}
 	}
 	mutex_unlock(&bp->hwrm_cmd_lock);
-	return rc;
 }
 
 static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp)