[patch 02/47] b43: Do not return TX_BUSY from op_tx
From: Greg KH <gregkh@suse.de>
Date: 2008-07-22 23:18:30
Also in:
lkml
2.6.25-stable review patch. If anyone has any objections, please let us know. ------------------ From: Michael Buesch <redacted> Never return TX_BUSY from op_tx. It doesn't make sense to return TX_BUSY, if we can not transmit the packet. Drop the packet and return TX_OK. This will fix the resume hang. Upstream commit is 66193a7cef2239bfd1b9b96e304770facf7a49c7 Signed-off-by: Michael Buesch <redacted> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- drivers/net/wireless/b43/main.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c@@ -2607,7 +2607,7 @@ static int b43_op_tx(struct ieee80211_hw int err; if (unlikely(!dev)) - return NETDEV_TX_BUSY; + goto drop_packet; /* Transmissions on seperate queues can run concurrently. */ read_lock_irqsave(&wl->tx_lock, flags);
@@ -2619,7 +2619,12 @@ static int b43_op_tx(struct ieee80211_hw read_unlock_irqrestore(&wl->tx_lock, flags); if (unlikely(err)) - return NETDEV_TX_BUSY; + goto drop_packet; + return NETDEV_TX_OK; + +drop_packet: + /* We can not transmit this packet. Drop it. */ + dev_kfree_skb_any(skb); return NETDEV_TX_OK; }
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