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[5.10,060/663] Bluetooth: Put HCI device if inquiry procedure interrupts

Message ID 20210301161144.705029052@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman March 1, 2021, 4:05 p.m. UTC 
From: Pan Bian <bianpan2016@163.com>

[ 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: 3e13fa1e1fab ("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>
---
 net/bluetooth/hci_core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index c4aa2cbb92697..555058270f112 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1356,8 +1356,10 @@  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