netdev - [PATCH v2 2/5] net: emaclite: Simplify if-else statements

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Date:   Thu, 28 Jun 2018 13:09:41 +0530
From:   Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>
To:     <davem@...emloft.net>, <michal.simek@...inx.com>,
        <radhey.shyam.pandey@...inx.com>, <joe@...ches.com>,
        <andrew@...n.ch>
CC:     <netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 2/5] net: emaclite: Simplify if-else statements

Remove else as it is not required with if doing a return.
Fixes below checkpatch warning.

WARNING: else is not generally useful after a break or return

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---
Changes from v1:
	- Refactor to make failure path return early as suggested
	  by Joe Perches <joe@...ches.com>
---
 drivers/net/ethernet/xilinx/xilinx_emaclite.c |   31 ++++++++++++-------------
 1 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 0544134..51f84f0 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -564,19 +564,18 @@ static void xemaclite_tx_handler(struct net_device *dev)
 	struct net_local *lp = netdev_priv(dev);
 
 	dev->stats.tx_packets++;
-	if (lp->deferred_skb) {
-		if (xemaclite_send_data(lp,
-					(u8 *) lp->deferred_skb->data,
-					lp->deferred_skb->len) != 0)
-			return;
-		else {
-			dev->stats.tx_bytes += lp->deferred_skb->len;
-			dev_kfree_skb_irq(lp->deferred_skb);
-			lp->deferred_skb = NULL;
-			netif_trans_update(dev); /* prevent tx timeout */
-			netif_wake_queue(dev);
-		}
-	}
+	if (!lp->deferred_skb)
+		return;
+
+	if (xemaclite_send_data(lp, (u8 *) lp->deferred_skb->data,
+				lp->deferred_skb->len))
+		return;
+
+	dev->stats.tx_bytes += lp->deferred_skb->len;
+	dev_kfree_skb_irq(lp->deferred_skb);
+	lp->deferred_skb = NULL;
+	netif_trans_update(dev); /* prevent tx timeout */
+	netif_wake_queue(dev);
 }
 
 /**
@@ -1052,13 +1051,13 @@ static bool get_bool(struct platform_device *ofdev, const char *s)
 {
 	u32 *p = (u32 *)of_get_property(ofdev->dev.of_node, s, NULL);
 
-	if (p) {
-		return (bool)*p;
-	} else {
+	if (!p) {
 		dev_warn(&ofdev->dev, "Parameter %s not found,"
 			"defaulting to false\n", s);
 		return false;
 	}
+
+	return (bool)*p;
 }
 
 static const struct net_device_ops xemaclite_netdev_ops;
-- 
1.7.1