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Bluetooth: Fix mgmt handling of power on failures

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If hci_dev_open fails we need to ensure that the corresponding
mgmt_set_powered command gets an appropriate response. This patch fixes
the missing response by adding a new mgmt_set_powered_failed function
that's used to indicate a power on failure to mgmt. Since a situation
with the device being rfkilled may require special handling in user
space the patch uses a new dedicated mgmt status code for this.

Signed-off-by: Johan Hedberg <[email protected]>
Cc: [email protected]
Acked-by: Marcel Holtmann <[email protected]>
Signed-off-by: Gustavo Padovan <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Johan Hedberg 2013-05-29 09:51:29 +03:00 • committed by John W. Linville
commit 96570ffcca
4 changed files with 28 additions and 1 deletions
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1
include/net/bluetooth/hci_core.h
View file

@ -1117,6 +1117,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event);
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
int mgmt_index_added(struct hci_dev *hdev);
int mgmt_index_removed(struct hci_dev *hdev);
int mgmt_set_powered_failed(struct hci_dev *hdev, int err);
int mgmt_powered(struct hci_dev *hdev, u8 powered);
int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
int mgmt_connectable(struct hci_dev *hdev, u8 connectable);

1
include/net/bluetooth/mgmt.h
View file

@ -42,6 +42,7 @@
#define MGMT_STATUS_NOT_POWERED 0x0f
#define MGMT_STATUS_CANCELLED 0x10
#define MGMT_STATUS_INVALID_INDEX 0x11
#define MGMT_STATUS_RFKILLED 0x12
struct mgmt_hdr {
__le16 opcode;