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mwifiex: correction in MSDU padding logic 

Padding arithmetic will always work for MSDUs provided first MSDU
ends on 4-byte boundary. Fixing it by making sure that all MSDU ends
on 4-byte boundary.

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>
This commit is contained in:
Yogesh Ashok Powar 2012-08-03 18:06:01 -07:00 committed by John W. Linville
parent 7d273ef32a
commit bda1b1b779
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/mwifiex/11n_aggr.c
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@ -82,8 +82,8 @@ mwifiex_11n_form_amsdu_pkt(struct sk_buff *skb_aggr,
/* Add payload */
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;
/* 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;
}