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authorZhengping Jiang <jiangzp@google.com>2022-08-23 20:28:08 +0300
committerLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2022-08-26 02:26:19 +0300
commit2da8eb834b775a9d1acea6214d3e4a78ac841e6e (patch)
treeaee399c0b7312482b5b5c04d307a573be9bda4d7 /net
parentcb0d160f813b23df2f4fe7af3237a026c44ed1aa (diff)
downloadlinux-2da8eb834b775a9d1acea6214d3e4a78ac841e6e.tar.xz
Bluetooth: hci_sync: hold hdev->lock when cleanup hci_conn
When disconnecting all devices, hci_conn_failed is used to cleanup hci_conn object when the hci_conn object cannot be aborted. The function hci_conn_failed requires the caller holds hdev->lock. Fixes: 9b3628d79b46f ("Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted") Signed-off-by: Zhengping Jiang <jiangzp@google.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/hci_sync.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 5fe440cdc68d..187786454d98 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -4773,9 +4773,11 @@ int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)
/* Cleanup hci_conn object if it cannot be cancelled as it
* likelly means the controller and host stack are out of sync.
*/
- if (err)
+ if (err) {
+ hci_dev_lock(hdev);
hci_conn_failed(conn, err);
-
+ hci_dev_unlock(hdev);
+ }
return err;
case BT_CONNECT2:
return hci_reject_conn_sync(hdev, conn, reason);