linux-kernel - [PATCH 1/1] HID: hiddev, fix lock imbalance

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Date:	Fri, 19 Jun 2009 23:24:11 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	jkosina@...e.cz
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jiri Slaby <jirislaby@...il.com>
Subject: [PATCH 1/1] HID: hiddev, fix lock imbalance

Add omitted BKL to one switch/case.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
 drivers/hid/usbhid/hiddev.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 9e94215..215b2ad 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -527,8 +527,10 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
 			goto goodreturn;
 
 		case HIDIOCGCOLLECTIONINDEX:
+			i = field->usage[uref->usage_index].collection_index;
+			unlock_kernel();
 			kfree(uref_multi);
-			return field->usage[uref->usage_index].collection_index;
+			return i;
 		case HIDIOCGUSAGES:
 			for (i = 0; i < uref_multi->num_values; i++)
 				uref_multi->values[i] =
-- 
1.6.3.2

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