[PATCH v3] rtlwifi: Fix improve function 'rtl_addr_delay()' in core.c

[Byeoungwook Kim]

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

Reviewed-by: Julian Calaby <julian.calaby@xxxxxxxxx>
Signed-off-by: Byeoungwook Kim <quddnr145@xxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
V3 remove unneeded semicolon.
V2 split in separate patchs.
 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..63cda78 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