From: Sam Ravnborg <sam@ravnborg.org>
Date: Fri, 28 Jan 2011 22:08:23 +0000 (+0000)
Subject: sparc32, sun4d: add comment in empty statement in sun4d_request_irq()
X-Git-Tag: v2.6.39-rc1~459^2~10
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=70044df4111e1afbff91a731785673aeb42a34fd;p=~emulex%2Finfiniband.git

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>
---

diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index b2e3fbf7c6f..609a13c8582 100644
--- 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;