Commit 70044df4 authored Jan 28, 2011 by Sam Ravnborg Committed by David S. Miller Mar 16, 2011

sparc32, sun4d: add comment in empty statement in sun4d_request_irq()



This looked like a bug to me.
Add a comment so next reader is hopefully less confused.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent a625a12a

arch/sparc/kernel/sun4d_irq.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -307,7 +307,8 @@ int sun4d_request_irq(unsigned int irq,

		if (action) {
		if ((action->flags & IRQF_SHARED) && (irqflags & IRQF_SHARED)) {
		for (tmp = action; tmp->next; tmp = tmp->next);
		for (tmp = action; tmp->next; tmp = tmp->next)
		/* find last entry - tmp used below */;
		} else {
		ret = -EBUSY;
		goto out_unlock;