rtlwifi: Synchronize IRQ after disabling it

This make sure any IRQ handlers running on other CPUs complete.

Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
index d5d3c8a572c7b7c83dd82cb46cc6d61936e52ef4..944f55e9d316724ab86e3727033b5e537655ff43 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
@@ -1194,6 +1194,7 @@ void rtl92ce_disable_interrupt(struct ieee80211_hw *hw)
        rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED);
        rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED);
        rtlpci->irq_enabled = false;
+       synchronize_irq(rtlpci->pdev->irq);
 }
 
 static void _rtl92ce_poweroff_adapter(struct ieee80211_hw *hw)