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Commit 7bc36409 authored by Johannes Thumshirn's avatar Johannes Thumshirn Committed by Greg Kroah-Hartman
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mcb: Acquire reference to device in probe 



mcb_probe() does not aqcuire a reference to the probed device but drops one
when removing the device. As it is actually using the device, it should grab
a reference via get_device().

This could lead to a panic found with a rmmod/modprobe stress test

Signed-off-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Reported-by: default avatarAndreas Werner <andreas.werner@men.de>
Tested-by: default avatarAndreas Werner <andreas.werner@men.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 69f1804a

drivers/mcb/mcb-core.c

+1 −0
Original line number Diff line number Diff line
@@ -66,6 +66,7 @@ static int mcb_probe(struct device *dev) 
	if (!found_id)

		return -ENODEV;



	get_device(dev);

	return mdrv->probe(mdev, found_id);

}