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authorJohannes Berg <johannes.berg@intel.com>2011-02-24 14:42:06 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-02-25 15:32:34 -0500
commit7bb4568372856688bc070917265bce0b88bb7d4d (patch)
treee3ca3e7d233944bbc271c650c8b037c3a6652d98 /drivers/net/wireless/zd1211rw/zd_mac.c
parent43f12d47f0580e04e26c14c03cb19cea9687854e (diff)
downloadop-kernel-dev-7bb4568372856688bc070917265bce0b88bb7d4d.zip
op-kernel-dev-7bb4568372856688bc070917265bce0b88bb7d4d.tar.gz
mac80211: make tx() operation return void
The return value of the tx operation is commonly misused by drivers, leading to errors. All drivers will drop frames if they fail to TX the frame, and they must also properly manage the queues (if they didn't, mac80211 would already warn). Removing the ability for drivers to return a BUSY value also allows significant cleanups of the TX TX handling code in mac80211. Note that this also fixes a bug in ath9k_htc, the old "return -1" there was wrong. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Tested-by: Sedat Dilek <sedat.dilek@googlemail.com> [ath5k] Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> [rt2x00] Acked-by: Larry Finger <Larry.Finger@lwfinger.net> [b43, rtl8187, rtlwifi] Acked-by: Luciano Coelho <coelho@ti.com> [wl12xx] Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_mac.c')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 74a269e..5037c8b 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -850,7 +850,7 @@ static int fill_ctrlset(struct zd_mac *mac,
* control block of the skbuff will be initialized. If necessary the incoming
* mac80211 queues will be stopped.
*/
-static int zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct zd_mac *mac = zd_hw_mac(hw);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -865,11 +865,10 @@ static int zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
r = zd_usb_tx(&mac->chip.usb, skb);
if (r)
goto fail;
- return 0;
+ return;
fail:
dev_kfree_skb(skb);
- return 0;
}
/**
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