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sparc32, sun4d: add comment in empty statement in sun4d_request_irq()
author
Sam Ravnborg
<sam@ravnborg.org>
Fri, 28 Jan 2011 22:08:23 +0000
(22:08 +0000)
committer
David S. Miller
<davem@davemloft.net>
Thu, 17 Mar 2011 01:19:11 +0000
(18:19 -0700)
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>
arch/sparc/kernel/sun4d_irq.c
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diff --git
a/arch/sparc/kernel/sun4d_irq.c
b/arch/sparc/kernel/sun4d_irq.c
index
b2e3fbf
..
609a13c
100644
(file)
--- a/
arch/sparc/kernel/sun4d_irq.c
+++ b/
arch/sparc/kernel/sun4d_irq.c
@@
-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;