iwlwifi: drop skb silently for Tx request in monitor mode

This patch fixes the problem to keep mac80211 resubmitting SKBs
when Tx request cannot be met in monitor mode.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index b1b3c52..6027e11 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -6687,7 +6687,8 @@ static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
 
        if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
                IWL_DEBUG_MAC80211("leave - monitor\n");
-               return -1;
+               dev_kfree_skb_any(skb);
+               return 0;
        }
 
        IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,

diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 5ed16ce..0bd55bb 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -6237,7 +6237,8 @@ static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
 
        if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
                IWL_DEBUG_MAC80211("leave - monitor\n");
-               return -1;
+               dev_kfree_skb_any(skb);
+               return 0;
        }
 
        IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,