From 7f30e49ee1c2c1e95ce9d2ccce5221ddb793dd60 Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Sat, 7 Apr 2007 14:59:41 +0900
Subject: [PATCH] [PATCH] irq-devres: fix failure path of devm_request_irq()
devres should be deallocated with devres_free() not kfree(). This bug
corrupts slab on IRQ request failure. Fix it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg KH <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
kernel/irq/devres.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c
index 85a430da0fb6..d8ee241115f5 100644
--- a/kernel/irq/devres.c
+++ b/kernel/irq/devres.c
@@ -54,7 +54,7 @@ int devm_request_irq(struct device *dev, unsigned int irq,
rc = request_irq(irq, handler, irqflags, devname, dev_id);
if (rc) {
- kfree(dr);
+ devres_free(dr);
return rc;
}