From: Yogesh Ashok Powar Date: Sat, 4 Aug 2012 01:06:01 +0000 (-0700) Subject: mwifiex: correction in MSDU padding logic X-Git-Tag: v3.7-rc1~70^2~42^2~51 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=bda1b1b77918ea340bbfb2938a0fd7d5203e430c;p=~emulex%2Finfiniband.git 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 Signed-off-by: Amitkumar Karwar Signed-off-by: Kiran Divekar Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index 04222f27665..395f1bfd410 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -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; }