This is a note to let you know that I've just added the patch titled
x86 / platform / hp_wmi: Fix bluetooth_rfkill misuse in hp_wmi_rfkill_setup()
to the 3.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x86-platform-hp_wmi-fix-bluetooth_rfkill-misuse-in-hp_wmi_rfkill_setup.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From af1d486c18bad7820b0ca52b413458914231102c Mon Sep 17 00:00:00 2001
From: "lan,Tianyu" <tianyu.lan@xxxxxxxxx>
Date: Tue, 28 May 2013 02:25:33 +0000
Subject: x86 / platform / hp_wmi: Fix bluetooth_rfkill misuse in hp_wmi_rfkill_setup()
From: "lan,Tianyu" <tianyu.lan@xxxxxxxxx>
commit af1d486c18bad7820b0ca52b413458914231102c upstream.
HP wmi platform driver fails to initialize GPS and causes poweroff
failure in HP Elitebook 6930p.
Call Trace:
[<ffffffffa088d25a>] hp_wmi_bios_setup+0x25a/0x3a0 [hp_wmi]
[<ffffffff8135978c>] platform_drv_probe+0x3c/0x70
[<ffffffff81356d6a>] ? driver_sysfs_add+0x7a/0xb0
[<ffffffff81357407>] driver_probe_device+0x87/0x3a0
[<ffffffff813577f3>] __driver_attach+0x93/0xa0
[<ffffffff81357760>] ? __device_attach+0x40/0x40
[<ffffffff81355403>] bus_for_each_dev+0x63/0xa0
[<ffffffff81356e8e>] driver_attach+0x1e/0x20
[<ffffffff81356a28>] bus_add_driver+0x1f8/0x2b0
[<ffffffff81357e81>] driver_register+0x71/0x150
[<ffffffff813594e6>] platform_driver_register+0x46/0x50
[<ffffffff813595ab>] platform_driver_probe+0x1b/0xa0
[<ffffffffa088d55e>] hp_wmi_init+0x1be/0x1fb [hp_wmi]
[<ffffffffa088d3a0>] ? hp_wmi_bios_setup+0x3a0/0x3a0 [hp_wmi]
[<ffffffff8100210a>] do_one_initcall+0x10a/0x160
[<ffffffff810bdac6>] load_module+0x1b46/0x2640
[<ffffffff8128da20>] ? ddebug_proc_write+0xf0/0xf0
[<ffffffff810be662>] sys_init_module+0xa2/0xf0
[<ffffffff814d975d>] system_call_fastpath+0x1a/0x1f
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
RIP [<ffffffffa05c57af>] rfkill_set_hw_state+0x9f/0xb0 [rfkill]
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
Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/platform/x86/hp-wmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -679,7 +679,7 @@ static int hp_wmi_rfkill_setup(struct pl
}
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)
Patches currently in stable-queue which might be from tianyu.lan@xxxxxxxxx are
queue-3.9/x86-platform-hp_wmi-fix-bluetooth_rfkill-misuse-in-hp_wmi_rfkill_setup.patch
queue-3.9/acpi-pm-do-not-execute-_ps0-for-devices-without-_psc-during-initialization.patch
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