linux-kernel - [PATCH 4.9 210/241] net: hns: Some checkpatch.pl script & warning fixes

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Date:   Mon, 19 Mar 2018 19:07:55 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Salil Mehta <salil.mehta@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.9 210/241] net: hns: Some checkpatch.pl script & warning fixes

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Salil <salil.mehta@...wei.com>

commit b4957ab0826f6f7efdfdc648521e1c4c3fc6ceda upstream.

This patch fixes some checkpatch.pl script caught errors and
warnings during the compilation time.

[ backported to 4.9.y to fix build warnings caused by the backporting of
  64ec10dc2ab8 ("net: hns: Correct HNS RSS key set function") by Sasha
  - gregkh]

Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Cc: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c |   11 +++++------
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h |    2 +-
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c  |    1 -
 drivers/net/ethernet/hisilicon/hns/hns_enet.c      |    5 +++--
 drivers/net/ethernet/hisilicon/hns/hns_ethtool.c   |    1 -
 5 files changed, 9 insertions(+), 11 deletions(-)

--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
@@ -86,12 +86,11 @@ static void hns_gmac_disable(void *mac_d
 		dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_RX_EN_B, 0);
 }
 
-/**
-*hns_gmac_get_en - get port enable
-*@..._drv:mac device
-*@rx:rx enable
-*@tx:tx enable
-*/
+/* hns_gmac_get_en - get port enable
+ * @mac_drv:mac device
+ * @rx:rx enable
+ * @tx:tx enable
+ */
 static void hns_gmac_get_en(void *mac_drv, u32 *rx, u32 *tx)
 {
 	struct mac_driver *drv = (struct mac_driver *)mac_drv;
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
@@ -70,7 +70,7 @@ enum dsaf_roce_qos_sl {
 };
 
 #define DSAF_STATS_READ(p, offset) (*((u64 *)((u8 *)(p) + (offset))))
-#define HNS_DSAF_IS_DEBUG(dev) (dev->dsaf_mode == DSAF_MODE_DISABLE_SP)
+#define HNS_DSAF_IS_DEBUG(dev) ((dev)->dsaf_mode == DSAF_MODE_DISABLE_SP)
 
 enum hal_dsaf_mode {
 	HRD_DSAF_NO_DSAF_MODE	= 0x0,
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
@@ -430,7 +430,6 @@ static void hns_rcb_ring_pair_get_cfg(st
 static int hns_rcb_get_port_in_comm(
 	struct rcb_common_cb *rcb_common, int ring_idx)
 {
-
 	return ring_idx / (rcb_common->max_q_per_vf * rcb_common->max_vfn);
 }
 
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -511,7 +511,8 @@ static void hns_nic_reuse_page(struct sk
 	int last_offset;
 	bool twobufs;
 
-	twobufs = ((PAGE_SIZE < 8192) && hnae_buf_size(ring) == HNS_BUFFER_SIZE_2048);
+	twobufs = ((PAGE_SIZE < 8192) &&
+		hnae_buf_size(ring) == HNS_BUFFER_SIZE_2048);
 
 	desc = &ring->desc[ring->next_to_clean];
 	size = le16_to_cpu(desc->rx.size);
@@ -1700,7 +1701,7 @@ static void hns_nic_reset_subtask(struct
 static void hns_nic_service_event_complete(struct hns_nic_priv *priv)
 {
 	WARN_ON(!test_bit(NIC_STATE_SERVICE_SCHED, &priv->state));
-
+	/* make sure to commit the things */
 	smp_mb__before_atomic();
 	clear_bit(NIC_STATE_SERVICE_SCHED, &priv->state);
 }
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -1243,7 +1243,6 @@ hns_set_rss(struct net_device *netdev, c
 {
 	struct hns_nic_priv *priv = netdev_priv(netdev);
 	struct hnae_ae_ops *ops;
-	int ret;
 
 	if (AE_IS_VER1(priv->enet_ver)) {
 		netdev_err(netdev,