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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2018-06-19 23:59:44 +0200
committerJiri Kosina <jkosina@suse.cz>2018-06-25 15:24:46 +0200
commitf49255e00c2e085b1467087d2dbb6b01d7042cc8 (patch)
tree788ba8ee2e5541105ac48e523355d34a0a6ee7e8 /Makefile
parentdc9b8e85ed95cbe7e3ad0eabb5b48d617bbc365e (diff)
downloadlinux-f49255e00c2e085b1467087d2dbb6b01d7042cc8.tar.bz2
HID: usbhid: use irqsave() in USB's complete callback
The USB completion callback does not disable interrupts while acquiring the ->lock. We want to remove the local_irq_disable() invocation from __usb_hcd_giveback_urb() and therefore it is required for the callback handler to disable the interrupts while acquiring the lock. The callback may be invoked either in IRQ or BH context depending on the USB host controller. Use the _irqsave() variant of the locking primitives. Cc: Jiri Kosina <jikos@kernel.org> Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com> Cc: linux-input@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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