From: Pan Bian <bianpan2016@163.com>
To: Marcel Holtmann <marcel@holtmann.org>,
Johan Hedberg <johan.hedberg@gmail.com>,
Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Andre Guedes <andre.guedes@openbossa.org>
Cc: linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, Pan Bian <bianpan2016@163.com>
Subject: [PATCH] Bluetooth: Put HCI device if inquiry procedure interrupts
Date: Thu, 21 Jan 2021 00:10:45 -0800 [thread overview]
Message-ID: <20210121081045.38121-1-bianpan2016@163.com> (raw)
Jump to the label done to decrement the reference count of HCI device
hdev on path that the Inquiry procedure is interrupted.
Fixes: 3e13fa1e1fab ("Bluetooth: Fix hci_inquiry ioctl usage")
Signed-off-by: Pan Bian <bianpan2016@163.com>
---
net/bluetooth/hci_core.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 9d2c9a1c552f..9f8573131b97 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1362,8 +1362,10 @@ 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
--
2.17.1
next reply other threads:[~2021-01-21 8:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-21 8:10 Pan Bian [this message]
2021-01-25 15:15 ` Marcel Holtmann
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