Bluetooth: Put HCI device if inquiry procedure interrupts

[ Upstream commit 28a758c861ff290e39d4f1ee0aa5df0f0b9a45ee ]

Jump to the label done to decrement the reference count of HCI device
hdev on path that the Inquiry procedure is interrupted.

Fixes: 3e13fa1e1f ("Bluetooth: Fix hci_inquiry ioctl usage")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pan Bian 2021-01-21 00:10:45 -08:00 committed by Greg Kroah-Hartman
parent 9f2816a99a
commit 725cb22009
1 changed files with 4 additions and 2 deletions

View File

@ -1317,8 +1317,10 @@ int hci_inquiry(void __user *arg)
* cleared). If it is interrupted by a signal, return -EINTR.
*/
if (wait_on_bit(&hdev->flags, HCI_INQUIRY,
TASK_INTERRUPTIBLE))
return -EINTR;
TASK_INTERRUPTIBLE)) {
err = -EINTR;
goto done;
}
}
/* for unlimited number of responses we will use buffer with