netdev - [PATCH v3 net-next 03/13] net: atlantic: make _get_sw

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Date:   Mon, 20 Jul 2020 21:32:34 +0300
From:   Mark Starovoytov <mstarovoitov@...vell.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
CC:     Igor Russkikh <irusskikh@...vell.com>, <netdev@...r.kernel.org>,
        "Mark Starovoytov" <mstarovoitov@...vell.com>
Subject: [PATCH v3 net-next 03/13] 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: Mark Starovoytov <mstarovoitov@...vell.com>
Signed-off-by: Igor Russkikh <irusskikh@...vell.com>
---
 drivers/net/ethernet/aquantia/atlantic/aq_nic.c |  4 ++--
 drivers/net/ethernet/aquantia/atlantic/aq_vec.c |  8 ++------
 drivers/net/ethernet/aquantia/atlantic/aq_vec.h | 10 +++++-----
 3 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 43b8914c3ef5..d72f40259715 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/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;
 }
 
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
index 2acdaee18ba0..8f0a0d18e711 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
+++ b/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;
 }
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.h b/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
index 541af85e6510..c079fef80da8 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
@@ -1,7 +1,8 @@
 /* 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 */
-- 
2.25.1