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Commit e8cfb7e7 authored Nov 01, 2016 by Johan Hovold Committed by Michael Ellerman Nov 14, 2016

powerpc/vio: Clarify vio_find_node() reference counting



Add comment clarifying that vio_find_node() takes a reference to the
embedded struct device which needs to be dropped after use.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 815a7141

arch/powerpc/kernel/vio.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1648,6 +1648,9 @@ static struct vio_dev vio_find_name(const char name)
		/**
		* vio_find_node - find an already-registered vio_dev
		* @vnode: device_node of the virtual device we're looking for
		*
		* Takes a reference to the embedded struct device which needs to be dropped
		* after use.
		*/
		struct vio_dev vio_find_node(struct device_node vnode)
		{