diff options
| author | John W. Linville <linville@tuxdriver.com> | 2011-06-06 14:35:27 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-06-06 15:23:53 -0400 |
| commit | ab6a44ce1da48d35fe7ec95fa068aa617bd7e8dd (patch) | |
| tree | fa8cc877e369e5da15a6daead490d3a87f15909f /net/mac80211/tx.c | |
| parent | d2ac49fe3c7c4730323c1042fb53a2e008643b6a (diff) | |
Revert "mac80211: Skip tailroom reservation for full HW-crypto devices"
This reverts commit aac6af5534fade2b18682a0b9efad1a6c04c34c6.
Conflicts:
net/mac80211/key.c
That commit has a race that causes a warning, as documented in the thread
here:
http://marc.info/?l=linux-wireless&m=130717684914101&w=2
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 64e0f7587e6d..3104c844b544 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1480,7 +1480,12 @@ static int ieee80211_skb_resize(struct ieee80211_local *local, { int tail_need = 0; - if (may_encrypt && local->crypto_tx_tailroom_needed_cnt) { + /* + * This could be optimised, devices that do full hardware + * crypto (including TKIP MMIC) need no tailroom... But we + * have no drivers for such devices currently. + */ + if (may_encrypt) { tail_need = IEEE80211_ENCRYPT_TAILROOM; tail_need -= skb_tailroom(skb); tail_need = max_t(int, tail_need, 0); |