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authorJohan Hedberg <johan.hedberg@intel.com>2015-11-16 12:52:21 +0200
committerMarcel Holtmann <marcel@holtmann.org>2015-12-10 00:51:47 +0100
commit01b1cb87d37fb19cdaa5e7002416fdde156873d0 (patch)
tree87fdc0ba8b3872cea7267fb3a3b3b7ed101ffbba /net/bluetooth/hci_event.c
parentad2c8c73d29702c3193f739390f6661f9a4ecad9 (diff)
downloadlinux-01b1cb87d37fb19cdaa5e7002416fdde156873d0.tar.bz2
Bluetooth: Run page scan updates through hdev->req_workqueue
Since Add/Remove Device perform the page scan updates independently from the HCI command completion we've introduced a potential race when multiple mgmt commands are queued. Doing the page scan updates through the req_workqueue ensures that the state changes are performed in a race-free manner. At the same time, to make the request helper more widely usable, extend it to also cover Inquiry Scan changes since those are behind the same HCI command. This is also reflected in the new name of the API as well as the work struct name. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/hci_event.c')
-rw-r--r--net/bluetooth/hci_event.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index d57c11c1c6b5..703e37f1a955 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2176,7 +2176,7 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
sizeof(cp), &cp);
- hci_update_page_scan(hdev);
+ hci_req_update_scan(hdev);
}
/* Set packet type for incoming connection */
@@ -2362,7 +2362,7 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
hci_remove_link_key(hdev, &conn->dst);
- hci_update_page_scan(hdev);
+ hci_req_update_scan(hdev);
}
params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);