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rt2x00: Fix trimming of L2 padded frames.

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Ensure that frames without payload are properly trimmed in
rt2x00queue_insert_l2pad.

This should fix the bug reported by Benoit Papillault in:
http://marc.info/?l=linux-wireless&m=125974773006734&w=2

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gertjan van Wingerde 2009-12-04 23:47:07 +01:00 committed by John W. Linville
parent 5de42f9eea
commit e54be4e735
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/rt2x00/rt2x00queue.c
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@ -180,7 +180,7 @@ void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length)
unsigned int payload_length = skb->len - header_length;
unsigned int header_align = ALIGN_SIZE(skb, 0);
unsigned int payload_align = ALIGN_SIZE(skb, header_length);
unsigned int l2pad = L2PAD_SIZE(header_length);
unsigned int l2pad = payload_length ? L2PAD_SIZE(header_length) : 0;
/*
* Adjust the header alignment if the payload needs to be moved more