linux-kernel - [PATCH 1/2] rtlwifi: Fix improve function 'rtl_addr

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Message-ID: <20160203015953.GA13562@gmail.com>
Date:	Wed, 3 Feb 2016 10:59:53 +0900
From:	Byeoungwook Kim <quddnr145@...il.com>
To:	Larry.Finger@...inger.net
Cc:	kvalo@...eaurora.org, chaoming_li@...lsil.com.cn,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] rtlwifi: Fix improve function 'rtl_addr_delay()' in
 core.c

Conditional codes in rtl_addr_delay() were improved in readability and
performance by using switch codes.

Signed-off-by: Byeoungwook Kim <quddnr145@...il.com>
Reported-by: Julian Calaby <julian.calaby@...il.com>
---
 drivers/net/wireless/realtek/rtlwifi/core.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index 4ae421e..05f432c 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -37,18 +37,26 @@
 
 void rtl_addr_delay(u32 addr)
 {
-	if (addr == 0xfe)
+	switch (addr) {
+	case 0xfe:
 		mdelay(50);
-	else if (addr == 0xfd)
+		break;
+	case 0xfd:
 		mdelay(5);
-	else if (addr == 0xfc)
+		break;
+	case 0xfc:
 		mdelay(1);
-	else if (addr == 0xfb)
+		break;
+	case 0xfb:
 		udelay(50);
-	else if (addr == 0xfa)
+		break;
+	case 0xfa:
 		udelay(5);
-	else if (addr == 0xf9)
+		break;
+	case 0xf9:
 		udelay(1);
+		break;
+	};
 }
 EXPORT_SYMBOL(rtl_addr_delay);
 
-- 
2.5.0