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| author | Michael Buesch <mb@bu3sch.de> | 2007-10-28 13:07:54 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-11-10 21:59:11 -0800 |
| commit | 8a8f1c0437a77cce29c1cb6089f01f22a6d9ca6e (patch) | |
| tree | aff63cd4d043135c50cccd43ee32db57f62e79b9 | |
| parent | 8d8c90e3fd1f8895f6d48bdcb34ba69a1fe73616 (diff) | |
| download | linux-8a8f1c0437a77cce29c1cb6089f01f22a6d9ca6e.tar.gz linux-8a8f1c0437a77cce29c1cb6089f01f22a6d9ca6e.tar.bz2 linux-8a8f1c0437a77cce29c1cb6089f01f22a6d9ca6e.zip | |
rfkill: Register LED triggers before registering switch
Registering the switch triggers a LED event, so we must register
LED triggers before the switch.
This has a potential to fix a crash, depending on how the device
driver initializes the rfkill data structure.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | net/rfkill/rfkill.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index 51d151c0e962..c6a9412fe5bd 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -388,19 +388,20 @@ int rfkill_register(struct rfkill *rfkill) if (!rfkill->toggle_radio) return -EINVAL; + snprintf(dev->bus_id, sizeof(dev->bus_id), + "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1); + + rfkill_led_trigger_register(rfkill); + error = rfkill_add_switch(rfkill); if (error) return error; - snprintf(dev->bus_id, sizeof(dev->bus_id), - "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1); - error = device_add(dev); if (error) { rfkill_remove_switch(rfkill); return error; } - rfkill_led_trigger_register(rfkill); return 0; } @@ -416,9 +417,9 @@ EXPORT_SYMBOL(rfkill_register); */ void rfkill_unregister(struct rfkill *rfkill) { - rfkill_led_trigger_unregister(rfkill); device_del(&rfkill->dev); rfkill_remove_switch(rfkill); + rfkill_led_trigger_unregister(rfkill); put_device(&rfkill->dev); } EXPORT_SYMBOL(rfkill_unregister); |