aboutsummaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
authorLarry Finger <Larry.Finger@lwfinger.net>2013-12-11 17:13:10 -0600
committerBen Hutchings <ben@decadent.org.uk>2014-02-15 19:20:14 +0000
commitb1d579f59db6b84485497e0c15237348f15c60f2 (patch)
tree2d3c01713cfcec0ee5a995856566e86df943a499 /drivers/net
parentcee7e2f6b271c36ee0bf3cc3836cbde77301d10e (diff)
rtlwifi: pci: Fix oops on driver unload
commit 9278db6279e28d4d433bc8a848e10b4ece8793ed upstream. 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: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/rtlwifi/pci.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 47ba0f7c600..38b793bca68 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -685,6 +685,8 @@ 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 */
@@ -1563,6 +1565,7 @@ 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);
tasklet_kill(&rtlpriv->works.ips_leave_tasklet);
@@ -1580,7 +1583,6 @@ 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);
rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF);