mirror of https://gitee.com/openkylin/linux.git
bff2ec2b91
Flush MCI profiles only if MCI is being actually used. This fixes a panic on driver unload when non-MCI devices are being used and btcoex_enable is set. BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffffa06296d2>] ath_mci_flush_profile+0x12/0x100 [ath9k] Call Trace: [<ffffffffa061befe>] ath9k_stop_btcoex+0x5e/0x80 [ath9k] [<ffffffffa061ed57>] ath9k_stop+0xb7/0x230 [ath9k] [<ffffffffa0533f30>] ieee80211_stop_device+0x50/0x180 [mac80211] [<ffffffffa051f0cf>] ieee80211_do_stop+0x2af/0x6a0 [mac80211] [<ffffffffa051f4da>] ieee80211_stop+0x1a/0x20 [mac80211] [<ffffffff81365d96>] __dev_close_many+0x86/0xe0 [<ffffffff81365ee0>] dev_close_many+0xa0/0x110 [<ffffffff81366038>] rollback_registered_many+0xe8/0x260 [<ffffffff813661cb>] unregister_netdevice_many+0x1b/0x80 [<ffffffffa051e950>] ieee80211_remove_interfaces+0xd0/0x110 [mac80211] [<ffffffffa050c133>] ieee80211_unregister_hw+0x53/0x120 [mac80211] [<ffffffffa061d5a4>] ath9k_deinit_device+0x44/0x70 [ath9k] [<ffffffffa062c1d4>] ath_pci_remove+0x54/0xa0 [ath9k] [<ffffffff81267c46>] pci_device_remove+0x46/0x110 [<ffffffff8131021c>] __device_release_driver+0x7c/0xe0 [<ffffffff81310960>] driver_detach+0xd0/0xe0 [<ffffffff81310078>] bus_remove_driver+0x88/0xe0 [<ffffffff81311122>] driver_unregister+0x62/0xa0 [<ffffffff81268004>] pci_unregister_driver+0x44/0xc0 [<ffffffffa062c8b5>] ath_pci_exit+0x15/0x20 [ath9k] [<ffffffffa063205d>] ath9k_exit+0x15/0x31 [ath9k] [<ffffffff810b92cc>] sys_delete_module+0x18c/0x270 [<ffffffff814373dd>] ? retint_swapgs+0x13/0x1b [<ffffffff8124828e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff81437de9>] system_call_fastpath+0x16/0x1b Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> |
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| .. | ||
| ath5k | ||
| ath6kl | ||
| ath9k | ||
| carl9170 | ||
| Kconfig | ||
| Makefile | ||
| ath.h | ||
| debug.c | ||
| hw.c | ||
| key.c | ||
| main.c | ||
| reg.h | ||
| regd.c | ||
| regd.h | ||
| regd_common.h | ||