From 51d167c0972ef1496f2e6ab08aab602644d1f9bb Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Tue, 1 Jul 2014 12:11:04 +0200 Subject: [PATCH] Bluetooth: Change hci_conn_params_add to return the parameter struct When adding new connection parameters, it is useful to return either the existing struct or the newly created one. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci_core.h | 3 ++- net/bluetooth/hci_core.c | 11 ++++++----- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index ec830871b9b8..5a83621672bf 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -852,7 +852,8 @@ int hci_white_list_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); -int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); +struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, + bdaddr_t *addr, u8 addr_type); int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type, u8 auto_connect, u16 conn_min_interval, u16 conn_max_interval); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 2312e77582b0..883ddd52344d 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -3472,21 +3472,22 @@ void hci_pend_le_conns_clear(struct hci_dev *hdev) } /* This function requires the caller holds hdev->lock */ -int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type) +struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, + bdaddr_t *addr, u8 addr_type) { struct hci_conn_params *params; if (!is_identity_address(addr, addr_type)) - return -EINVAL; + return NULL; params = hci_conn_params_lookup(hdev, addr, addr_type); if (params) - return 0; + return params; params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) { BT_ERR("Out of memory"); - return -ENOMEM; + return NULL; } bacpy(¶ms->addr, addr); @@ -3502,7 +3503,7 @@ int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type) BT_DBG("addr %pMR (type %u)", addr, addr_type); - return 0; + return params; } /* This function requires the caller holds hdev->lock */