From a267a6041fdb690de9570dab20a5f0fa417c8c9f Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Fri, 14 Jun 2013 17:58:35 +0900 Subject: [PATCH] staging/rtl8192u: convert skb->tail into skb_tail_pointer(skb) The change set of 7a884dc "[SK_BUFF]: Convert skb->tail to sk_buff_data_t" converted skb->tail from pointer into sk_buff_data_t. Thus skb->tail is not always pointer, the area pointed by skb->tail should be accessed via skb_tail_pointer(). Found by inspection. Compile tested only. Cc: Simon Horman Cc: Greg Kroah-Hartman Cc: devel@driverdev.osuosl.org Signed-off-by: Isaku Yamahata Reviewed-by: Simon Horman Acked-by: Greg Kroah-Hartman Signed-off-by: David S. Miller --- drivers/staging/rtl8192u/r8192U_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index 71f5cde..a18430e 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -1271,8 +1271,8 @@ struct sk_buff *DrvAggr_Aggregation(struct net_device *dev, struct ieee80211_drv /* Subframe drv Tx descriptor and firmware info setting */ skb = pSendList->tx_agg_frames[i]; tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - tx_agg_desc = (tx_desc_819x_usb_aggr_subframe *)agg_skb->tail; - tx_fwinfo = (tx_fwinfo_819x_usb *)(agg_skb->tail + sizeof(tx_desc_819x_usb_aggr_subframe)); + tx_agg_desc = (tx_desc_819x_usb_aggr_subframe *)skb_tail_pointer(agg_skb); + tx_fwinfo = (tx_fwinfo_819x_usb *)(skb_tail_pointer(agg_skb) + sizeof(tx_desc_819x_usb_aggr_subframe)); memset(tx_fwinfo,0,sizeof(tx_fwinfo_819x_usb)); /* DWORD 0 */ -- 2.7.4