| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.12 105/144] rtlwifi: pci: Fix oops on driver unload | Date | Mon, 6 Jan 2014 14:37:46 -0800 |
| |
3.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Larry Finger <Larry.Finger@lwfinger.net>
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/net/wireless/rtlwifi/pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -741,6 +741,8 @@ static void _rtl_pci_rx_interrupt(struct }; int index = rtlpci->rx_ring[rx_queue_idx].idx; + if (rtlpci->driver_is_goingto_unload) + return; /*RX NORMAL PKT */ while (count--) { /*rx descriptor */ @@ -1637,6 +1639,7 @@ static void rtl_pci_stop(struct ieee8021 */ set_hal_stop(rtlhal); + rtlpci->driver_is_goingto_unload = true; rtlpriv->cfg->ops->disable_interrupt(hw); cancel_work_sync(&rtlpriv->works.lps_change_work); @@ -1654,7 +1657,6 @@ static void rtl_pci_stop(struct ieee8021 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)
|