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authorYogesh Ashok Powar <yogeshp@marvell.com>2012-08-03 18:05:59 -0700
committerJohn W. Linville <linville@tuxdriver.com>2012-08-06 15:12:45 -0400
commitd92a680359ff3230bd1e68ac8f3ac827639f494e (patch)
treeed1bc6651460f16ba60b96a717aeac647f491911 /drivers/net/wireless/mwifiex/11n_aggr.c
parent2a0b50c7703930a1f5d1d32ae116d988e9612cb6 (diff)
mwifiex: copy MSDU subframes correctly
All MSDU subframes, except the first one in AMSDU, were being written wrongly at the location of first MSDU frame. Fixing that by copying the MSDU at skb->tail of AMSDU. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/11n_aggr.c')
-rw-r--r--drivers/net/wireless/mwifiex/11n_aggr.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index ab84eb94374..c631c7cc85f 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;
@@ -82,9 +80,8 @@ 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);
+ memcpy(skb_put(skb_aggr, skb_src->len), 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);