[PATCH] Staging: rtl8723au: os_intfs: fixed case statement is variable issue

[Bing Sun]

Fixed sparse parse error:
Expected constant expression in case statement.

Signed-off-by: Bing Sun <sunbing@xxxxxxxxxxxxxxxxx>
---
 drivers/staging/rtl8723au/os_dep/os_intfs.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/rtl8723au/os_dep/os_intfs.c b/drivers/staging/rtl8723au/os_dep/os_intfs.c
index b8848c2..f30d5d2 100644
--- a/drivers/staging/rtl8723au/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8723au/os_dep/os_intfs.c
@@ -283,14 +283,13 @@ static u32 rtw_classify8021d(struct sk_buff *skb)
 	 */
 	if (skb->priority >= 256 && skb->priority <= 263)
 		return skb->priority - 256;
-	switch (skb->protocol) {
-	case htons(ETH_P_IP):
+
+	if (skb->protocol == htons(ETH_P_IP)) {
 		dscp = ip_hdr(skb)->tos & 0xfc;
-		break;
-	default:
-		return 0;
+		return dscp >> 5;
 	}
-	return dscp >> 5;
+
+	return 0;
 }
 
 static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb,
-- 
2.1.0