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path: root/drivers/net/wireless/mwifiex/11n_aggr.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/11n_aggr.c')
-rw-r--r--drivers/net/wireless/mwifiex/11n_aggr.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index ab84eb94374..395f1bfd410 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/mwifiex/11n_aggr.c
@@ -62,9 +62,7 @@ mwifiex_11n_form_amsdu_pkt(struct sk_buff *skb_aggr,
};
struct tx_packet_hdr *tx_header;
- skb_put(skb_aggr, sizeof(*tx_header));
-
- tx_header = (struct tx_packet_hdr *) skb_aggr->data;
+ tx_header = (void *)skb_put(skb_aggr, sizeof(*tx_header));
/* Copy DA and SA */
dt_offset = 2 * ETH_ALEN;
@@ -82,12 +80,10 @@ mwifiex_11n_form_amsdu_pkt(struct sk_buff *skb_aggr,
tx_header->eth803_hdr.h_proto = htons(skb_src->len + LLC_SNAP_LEN);
/* Add payload */
- skb_put(skb_aggr, skb_src->len);
- memcpy(skb_aggr->data + sizeof(*tx_header), skb_src->data,
- skb_src->len);
- *pad = (((skb_src->len + LLC_SNAP_LEN) & 3)) ? (4 - (((skb_src->len +
- LLC_SNAP_LEN)) & 3)) : 0;
- skb_put(skb_aggr, *pad);
+ memcpy(skb_put(skb_aggr, skb_src->len), skb_src->data, skb_src->len);
+
+ /* Add padding for new MSDU to start from 4 byte boundary */
+ *pad = (4 - ((unsigned long)skb_aggr->tail & 0x3)) % 4;
return skb_aggr->len + *pad;
}