diff options
| author | Larry Finger <Larry.Finger@lwfinger.net> | 2014-09-26 21:40:22 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-09-30 17:17:14 (GMT) |
| commit | 7fe3b3abb5da3a105d87640db693c41259138294 (patch) | |
| tree | 74f78aaa94eaab6dad0278bfee9a88950523674b | |
| parent | a0196d111707d8b79196a40295f3935c5fa339eb (diff) | |
| download | linux-7fe3b3abb5da3a105d87640db693c41259138294.tar.xz | |
rtlwifi: rtl8188ee: rtl8821ae: Fix a queue locking problem
The code fails to lock the skb queue, which leads to a number of problems.
This patch also fixes a Sparse warning about using a memset of 1 byte.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: troy_tan@realsil.com.cn
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8188ee/fw.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8188ee/hw.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8821ae/fw.c | 2 |
3 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/fw.c b/drivers/net/wireless/rtlwifi/rtl8188ee/fw.c index eda6617..8d4cf2e 100644 --- a/drivers/net/wireless/rtlwifi/rtl8188ee/fw.c +++ b/drivers/net/wireless/rtlwifi/rtl8188ee/fw.c @@ -770,7 +770,7 @@ void rtl88e_set_p2p_ps_offload_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state) switch (p2p_ps_state) { case P2P_PS_DISABLE: RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "P2P_PS_DISABLE\n"); - memset(p2p_ps_offload, 0, 1); + memset(p2p_ps_offload, 0, sizeof(*p2p_ps_offload)); break; case P2P_PS_ENABLE: RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "P2P_PS_ENABLE\n"); diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c b/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c index f74b7fb..f2b9713 100644 --- a/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c @@ -89,7 +89,9 @@ static void _rtl88ee_return_beacon_queue_skb(struct ieee80211_hw *hw) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[BEACON_QUEUE]; + unsigned long flags; + spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); while (skb_queue_len(&ring->queue)) { struct rtl_tx_desc *entry = &ring->desc[ring->idx]; struct sk_buff *skb = __skb_dequeue(&ring->queue); @@ -101,6 +103,7 @@ static void _rtl88ee_return_beacon_queue_skb(struct ieee80211_hw *hw) kfree_skb(skb); ring->idx = (ring->idx + 1) % ring->entries; } + spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); } static void _rtl88ee_disable_bcn_sub_func(struct ieee80211_hw *hw) diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/fw.c b/drivers/net/wireless/rtlwifi/rtl8821ae/fw.c index 6f71aaa..2efdb64 100644 --- a/drivers/net/wireless/rtlwifi/rtl8821ae/fw.c +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/fw.c @@ -1757,7 +1757,7 @@ void rtl8821ae_set_p2p_ps_offload_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state) switch (p2p_ps_state) { case P2P_PS_DISABLE: RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "P2P_PS_DISABLE\n"); - memset(p2p_ps_offload, 0, 1); + memset(p2p_ps_offload, 0, sizeof(*p2p_ps_offload)); break; case P2P_PS_ENABLE: RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "P2P_PS_ENABLE\n"); |