From 699deffdd881bf4759f3fcc4d6ee3e018e4c266e Mon Sep 17 00:00:00 2001
From: Tom Li <biergaizi2009@gmail.com>
Date: Fri, 18 Apr 2014 20:06:18 -0400
Subject: [PATCH] fix memory leak in classify code

If a system has no pci devices the opening of the pci bus directory in
rebuild_irq_db will fail, leading to a memory leak.  Fix it by freeing the list
we create in that function always on exit

Reported-by: Tom Li <biergaizi2009@gmail.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Tom Li <biergaizi2009@gmail.com>
---
 classify.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/classify.c b/classify.c
index 1867a94..94b53b8 100644
--- a/classify.c
+++ b/classify.c
@@ -465,7 +465,7 @@ void rebuild_irq_db(void)
 
 	devdir = opendir(SYSDEV_DIR);
 	if (!devdir)
-		return;
+		goto free;
 
 	do {
 		entry = readdir(devdir);
@@ -482,6 +482,7 @@ void rebuild_irq_db(void)
 
 	for_each_irq(tmp_irqs, add_missing_irq, NULL);
 
+free:
 	g_list_free_full(tmp_irqs, free);
 
 }
-- 
2.4.3