mac80211: skip unnecessary pskb_expand_head calls
authorFelix Fietkau <nbd@openwrt.org>
Sat, 18 Dec 2010 18:30:49 +0000 (19:30 +0100)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 20 Dec 2010 19:52:17 +0000 (14:52 -0500)
commit4cd06a344db752f513437138953af191cbe9a691
treeec6a52da07449e20a10e59f2ee669467dd56089e
parent489ee9195a7de9e6bc833d639ff6b553ffdad90e
mac80211: skip unnecessary pskb_expand_head calls

If the skb is not cloned and we don't need any extra headroom, there
is no point in reallocating the skb head.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
net/mac80211/tx.c