linux-kernel - [PATCH v2] staging: rtl8192u: Fix warnings about endianness

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Message-Id: <1487333042-14949-1-git-send-email-albert008.xu@gmail.com>
Date:   Fri, 17 Feb 2017 20:04:02 +0800
From:   maomao xu <albert008.xu@...il.com>
To:     gregkh@...uxfoundation.org, bhumirks@...il.com,
        singhalsimran0@...il.com, nikolas@....org, bhaktipriya96@...il.com,
        elise.lennion@...il.com, albert008.xu@...il.com,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] staging: rtl8192u: Fix warnings about endianness

drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c:564:37: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c:564:37:    expected unsigned short [unsigned] [usertype] len
drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c:564:37:    got restricted __be16 [usertype] <noident>

Signed-off-by: maomao xu <albert008.xu@...il.com>

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
index d1057b1..1e81c24 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
@@ -559,10 +559,8 @@ void ieee80211_indicate_packets(struct ieee80211_device *ieee, struct ieee80211_
 				memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src, ETH_ALEN);
 				memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst, ETH_ALEN);
 			} else {
-				u16 len;
 			/* Leave Ethernet header part of hdr and full payload */
-				len = htons(sub_skb->len);
-				memcpy(skb_push(sub_skb, 2), &len, 2);
+				put_unaligned_be16(sub_skb->len, skb_push(sub_skb, 2));
 				memcpy(skb_push(sub_skb, ETH_ALEN), prxb->src, ETH_ALEN);
 				memcpy(skb_push(sub_skb, ETH_ALEN), prxb->dst, ETH_ALEN);
 			}
-- 
1.7.9.5