HID: sensor-hub: make dyn_callback_lock IRQ-safe

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dyn_callback_lock is being taken from IRQ context through hid_irq_in() ->
hid_input_report() -> sensor_hub_raw_event() -> sensor_hub_get_callback(),
therefore anyone else acquiring it needs to disable IRQs to disable deadlocks.

Reported-by: Alexander Holler <holler@ahsoftware.de>
Tested-by: Alexander Holler <holler@ahsoftware.de>
Reported-by: Reyad Attiyat <reyad.attiyat@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

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Jiri Kosina 2014-06-10 11:05:43 +02:00

parent d6b92c2c37

commit 0ccf091d1f

1 changed files with 14 additions and 10 deletions

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24

drivers/hid/hid-sensor-hub.c

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