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authorJohn W. Linville <linville@tuxdriver.com>2011-07-15 10:05:24 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-07-15 10:05:24 -0400
commit95a943c162d74b20d869917bdf5df11293c35b63 (patch)
treec69d5cb97a4d97b6062a276ecdfa8582535193af /drivers/net/wireless/mwifiex/sta_tx.c
parentecae42d37045ec71831d0e0e493e00b0e0732edd (diff)
parent95acac61ba66c4abd40e038dae8c1ed2e176c7b1 (diff)
downloadop-kernel-dev-95a943c162d74b20d869917bdf5df11293c35b63.zip
op-kernel-dev-95a943c162d74b20d869917bdf5df11293c35b63.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: net/bluetooth/l2cap_core.c
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_tx.c')
-rw-r--r--drivers/net/wireless/mwifiex/sta_tx.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_tx.c b/drivers/net/wireless/mwifiex/sta_tx.c
index fa6221b..1822bfa 100644
--- a/drivers/net/wireless/mwifiex/sta_tx.c
+++ b/drivers/net/wireless/mwifiex/sta_tx.c
@@ -47,6 +47,7 @@ void *mwifiex_process_sta_txpd(struct mwifiex_private *priv,
struct mwifiex_adapter *adapter = priv->adapter;
struct txpd *local_tx_pd;
struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb);
+ u8 pad;
if (!skb->len) {
dev_err(adapter->dev, "Tx: bad packet length: %d\n",
@@ -55,15 +56,19 @@ void *mwifiex_process_sta_txpd(struct mwifiex_private *priv,
return skb->data;
}
- BUG_ON(skb_headroom(skb) < (sizeof(*local_tx_pd) + INTF_HEADER_LEN));
- skb_push(skb, sizeof(*local_tx_pd));
+ /* If skb->data is not aligned; add padding */
+ pad = (4 - (((void *)skb->data - NULL) & 0x3)) % 4;
+
+ BUG_ON(skb_headroom(skb) < (sizeof(*local_tx_pd) + INTF_HEADER_LEN
+ + pad));
+ skb_push(skb, sizeof(*local_tx_pd) + pad);
local_tx_pd = (struct txpd *) skb->data;
memset(local_tx_pd, 0, sizeof(struct txpd));
local_tx_pd->bss_num = priv->bss_num;
local_tx_pd->bss_type = priv->bss_type;
local_tx_pd->tx_pkt_length = cpu_to_le16((u16) (skb->len -
- sizeof(struct txpd)));
+ (sizeof(struct txpd) + pad)));
local_tx_pd->priority = (u8) skb->priority;
local_tx_pd->pkt_delay_2ms =
@@ -88,7 +93,7 @@ void *mwifiex_process_sta_txpd(struct mwifiex_private *priv,
}
/* Offset of actual data */
- local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd));
+ local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd) + pad);
/* make space for INTF_HEADER_LEN */
skb_push(skb, INTF_HEADER_LEN);
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