From b8a832b1c0a70531b4bd69a67aa0bf72f6f2dc34 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Mon, 15 Dec 2008 13:12:08 +0100
Subject: [PATCH] HID: fix reference count leak hidraw
The hidraw subsystem has a bug that prevents the close syscall from ever
reaching the low level driver, leading to a resource leak. Fix by replacing
postdecrement with predecrement.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
drivers/hid/hidraw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 7685ae6808c4..96ec1bacbbf3 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -208,7 +208,7 @@ static int hidraw_release(struct inode * inode, struct file * file)
list_del(&list->node);
dev = hidraw_table[minor];
- if (!dev->open--) {
+ if (!--dev->open) {
if (list->hidraw->exist)
dev->hid->ll_driver->close(dev->hid);
else
--
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