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Date: Tue, 21 Oct 2008 23:27:56 +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 4/4] HID: hiddev, fix lock imbalance 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 <jirislaby@...il.com> --- drivers/hid/usbhid/hiddev.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index babd65d..3ac3207 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 && -- 1.6.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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