From eb9910894d7857c273e049b297fd6251e5ecc43e Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 23 Oct 2008 01:47:34 +0200 Subject: [PATCH] HID: fix lock imbalance in hiddev Don't forget to unlock_kernel() in hiddev_ioctl_usage(). Added in 7961df16819085b8a357720d89d0239036e6af2a (HID: Switch hiddev to unlocked_ioctl). Corresponing sparse warning: drivers/hid/usbhid/hiddev.c:515:10: warning: context imbalance in 'hiddev_ioctl_usage': wrong count at exit drivers/hid/usbhid/hiddev.c:515:10: context 'kernel_lock': wanted 0, got 1 Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/hiddev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index babd65dd46a..3ac320785fc 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -436,8 +436,7 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd, if (copy_to_user(user_arg, uref, sizeof(*uref))) goto fault; - kfree(uref_multi); - return 0; + goto goodreturn; default: if (cmd != HIDIOCGUSAGE && -- 2.41.1