HP wmi platform driver fails to initialize GPS and causes poweroff failure in HP Elitebook 6930p. [ 9.462428] Call Trace: [ 9.462449] [<ffffffffa088d25a>] hp_wmi_bios_setup+0x25a/0x3a0 [hp_wmi] [ 9.462493] [<ffffffff8135978c>] platform_drv_probe+0x3c/0x70 [ 9.462530] [<ffffffff81356d6a>] ? driver_sysfs_add+0x7a/0xb0 [ 9.462566] [<ffffffff81357407>] driver_probe_device+0x87/0x3a0 [ 9.462603] [<ffffffff813577f3>] __driver_attach+0x93/0xa0 [ 9.462636] [<ffffffff81357760>] ? __device_attach+0x40/0x40 [ 9.462671] [<ffffffff81355403>] bus_for_each_dev+0x63/0xa0 [ 9.462707] [<ffffffff81356e8e>] driver_attach+0x1e/0x20 [ 9.462740] [<ffffffff81356a28>] bus_add_driver+0x1f8/0x2b0 [ 9.462775] [<ffffffff81357e81>] driver_register+0x71/0x150 [ 9.462810] [<ffffffff813594e6>] platform_driver_register+0x46/0x50 [ 9.462849] [<ffffffff813595ab>] platform_driver_probe+0x1b/0xa0 [ 9.462886] [<ffffffffa088d55e>] hp_wmi_init+0x1be/0x1fb [hp_wmi] [ 9.462925] [<ffffffffa088d3a0>] ? hp_wmi_bios_setup+0x3a0/0x3a0 [hp_wmi] [ 9.462967] [<ffffffff8100210a>] do_one_initcall+0x10a/0x160 [ 9.463004] [<ffffffff810bdac6>] load_module+0x1b46/0x2640 [ 9.463038] [<ffffffff8128da20>] ? ddebug_proc_write+0xf0/0xf0 [ 9.463076] [<ffffffff810be662>] sys_init_module+0xa2/0xf0 [ 9.463111] [<ffffffff814d975d>] system_call_fastpath+0x1a/0x1f [ 9.463146] Code: 48 ff ff ff 80 7b 24 00 74 d2 41 83 e5 01 45 38 ec 74 c9 48 8d bb a0 03 00 00 e8 ed fb aa e0 5b 41 5c 41 5d 44 89 f0 41 5e 5d c3 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 [ 9.463479] RIP [<ffffffffa05c57af>] rfkill_set_hw_state+0x9f/0xb0 [rfkill] [ 9.463526] RSP <ffff880071523b60> Check code and find this error is caused by misusing variable bluetooth_rfkill where gps_rfkill should be. Reported-and-tested-by: Iru Cai <mytbk920423@xxxxxxxxx> References: https://bugzilla.kernel.org/show_bug.cgi?id=58401 Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx> --- drivers/platform/x86/hp-wmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 45cacf7..9b60282 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -680,7 +680,7 @@ static int hp_wmi_rfkill_setup(struct platform_device *device) } rfkill_init_sw_state(gps_rfkill, hp_wmi_get_sw_state(HPWMI_GPS)); - rfkill_set_hw_state(bluetooth_rfkill, + rfkill_set_hw_state(gps_rfkill, hp_wmi_get_hw_state(HPWMI_GPS)); err = rfkill_register(gps_rfkill); if (err) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html