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Commit 9278db62 authored by Larry Finger's avatar Larry Finger Committed by John W. Linville
Browse files

rtlwifi: pci: Fix oops on driver unload 

On Fedora systems, unloading rtl8192ce causes an oops. This patch fixes the
problem reported at https://bugzilla.redhat.com/show_bug.cgi?id=852761

.

Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 657eb17d

drivers/net/wireless/rtlwifi/pci.c

+3 −1
Original line number Diff line number Diff line
@@ -740,6 +740,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) 
	};

	int index = rtlpci->rx_ring[rx_queue_idx].idx;



	if (rtlpci->driver_is_goingto_unload)

		return;

	/*RX NORMAL PKT */

	while (count--) {

		/*rx descriptor */
@@ -1636,6 +1638,7 @@ static void rtl_pci_stop(struct ieee80211_hw *hw) 
	 */

	set_hal_stop(rtlhal);



	rtlpci->driver_is_goingto_unload = true;

	rtlpriv->cfg->ops->disable_interrupt(hw);

	cancel_work_sync(&rtlpriv->works.lps_change_work);
@@ -1653,7 +1656,6 @@ static void rtl_pci_stop(struct ieee80211_hw *hw) 
	ppsc->rfchange_inprogress = true;

	spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags);



	rtlpci->driver_is_goingto_unload = true;

	rtlpriv->cfg->ops->hw_disable(hw);

	/* some things are not needed if firmware not available */

	if (!rtlpriv->max_fw_size)