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>
This commit is contained in:
Sam Ravnborg 2011-01-28 22:08:23 +00:00 committed by David S. Miller
parent a625a12a76
commit 70044df411

View File

@ -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;