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| author | Johannes Berg <johannes.berg@intel.com> | 2011-02-24 14:42:06 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-02-25 15:32:34 -0500 |
| commit | 7bb4568372856688bc070917265bce0b88bb7d4d (patch) | |
| tree | e3ca3e7d233944bbc271c650c8b037c3a6652d98 /drivers/net/wireless/rt2x00 | |
| parent | 43f12d47f0580e04e26c14c03cb19cea9687854e (diff) | |
| download | linux-7bb4568372856688bc070917265bce0b88bb7d4d.tar.gz linux-7bb4568372856688bc070917265bce0b88bb7d4d.tar.bz2 linux-7bb4568372856688bc070917265bce0b88bb7d4d.zip | |
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/rt2x00')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 5 |
2 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 1df432c1f2c7..19453d23e90d 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -1185,7 +1185,7 @@ void rt2x00lib_rxdone(struct queue_entry *entry); /* * mac80211 handlers. */ -int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb); +void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb); int rt2x00mac_start(struct ieee80211_hw *hw); void rt2x00mac_stop(struct ieee80211_hw *hw); int rt2x00mac_add_interface(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 1b3edef9e3d2..c2c35838c2f3 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -99,7 +99,7 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, return retval; } -int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) +void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct rt2x00_dev *rt2x00dev = hw->priv; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); @@ -155,12 +155,11 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) if (rt2x00queue_threshold(queue)) rt2x00queue_pause_queue(queue); - return NETDEV_TX_OK; + return; exit_fail: ieee80211_stop_queue(rt2x00dev->hw, qid); dev_kfree_skb_any(skb); - return NETDEV_TX_OK; } EXPORT_SYMBOL_GPL(rt2x00mac_tx); |