netdev - [PATCH] staging: r8712u: fix bug in r8712_recv

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Message-ID: <1347299715.1234.1902.camel@edumazet-glaptop>
Date:	Mon, 10 Sep 2012 19:55:15 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	linville@...driver.com, linux-wireless@...r.kernel.org,
	netdev <netdev@...r.kernel.org>
Subject: [PATCH] staging: r8712u: fix bug in r8712_recv_indicatepkt()

From: Eric Dumazet <edumazet@...gle.com>

64bit arches have a buggy r8712u driver, let's fix it.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 drivers/staging/rtl8712/recv_linux.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/staging/rtl8712/recv_linux.c b/drivers/staging/rtl8712/recv_linux.c
index 0e26d5f..495ee12 100644
--- a/drivers/staging/rtl8712/recv_linux.c
+++ b/drivers/staging/rtl8712/recv_linux.c
@@ -117,13 +117,8 @@ void r8712_recv_indicatepkt(struct _adapter *padapter,
 	if (skb == NULL)
 		goto _recv_indicatepkt_drop;
 	skb->data = precv_frame->u.hdr.rx_data;
-#ifdef NET_SKBUFF_DATA_USES_OFFSET
-	skb->tail = (sk_buff_data_t)(precv_frame->u.hdr.rx_tail -
-		     precv_frame->u.hdr.rx_head);
-#else
-	skb->tail = (sk_buff_data_t)precv_frame->u.hdr.rx_tail;
-#endif
 	skb->len = precv_frame->u.hdr.len;
+	skb_set_tail_pointer(skb, skb->len);
 	if ((pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1))
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
 	else


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