net: atlantic: make _get_sw_stats return count as return value

This patch changes aq_vec_get_sw_stats() to return count as a return
value (which was unused) instead of an out parameter.
Signed-off-by: NMark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: NIgor Russkikh <irusskikh@marvell.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/aquantia/atlantic/aq_nic.c

@@ -907,13 +907,13 @@ u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
 		     aq_vec && self->aq_vecs > i;
 		     ++i, aq_vec = self->aq_vec[i]) {
 			data += count;
-			aq_vec_get_sw_stats(aq_vec, tc, data, &count);
+			count = aq_vec_get_sw_stats(aq_vec, tc, data);
 		}
 	}
 
 	data += count;
 
-err_exit:;
+err_exit:
 	return data;
 }
 

drivers/net/ethernet/aquantia/atlantic/aq_vec.c

@@ -380,8 +380,7 @@ static void aq_vec_get_stats(struct aq_vec_s *self,
 	}
 }
 
-int aq_vec_get_sw_stats(struct aq_vec_s *self, const unsigned int tc, u64 *data,
-			unsigned int *p_count)
+unsigned int aq_vec_get_sw_stats(struct aq_vec_s *self, const unsigned int tc, u64 *data)
 {
 	struct aq_ring_stats_rx_s stats_rx;
 	struct aq_ring_stats_tx_s stats_tx;
@@ -401,8 +400,5 @@ int aq_vec_get_sw_stats(struct aq_vec_s *self, const unsigned int tc, u64 *data,
 	data[++count] = stats_rx.lro_packets;
 	data[++count] = stats_rx.errors;
 
-	if (p_count)
-		*p_count = ++count;
-
-	return 0;
+	return ++count;
 }

drivers/net/ethernet/aquantia/atlantic/aq_vec.h

 /* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
  */
 
 /* File aq_vec.h: Definition of common structures for vector of Rx and Tx rings.
@@ -35,7 +36,6 @@ void aq_vec_ring_free(struct aq_vec_s *self);
 int aq_vec_start(struct aq_vec_s *self);
 void aq_vec_stop(struct aq_vec_s *self);
 cpumask_t *aq_vec_get_affinity_mask(struct aq_vec_s *self);
-int aq_vec_get_sw_stats(struct aq_vec_s *self, const unsigned int tc, u64 *data,
-			unsigned int *p_count);
+unsigned int aq_vec_get_sw_stats(struct aq_vec_s *self, const unsigned int tc, u64 *data);
 
 #endif /* AQ_VEC_H */