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Bluetooth: Fix potential memory leak

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If command is added to req then it should be freed in case if
hdev is down or HCI_ADVERTISING flag is set.

This introduces a helper in hci_request to purge the cmd_q
to make cmd_q internal to hci_request which is used to fix
the leak.

This also replace accessing of cmd_q in hci_conn with the
new helper.

Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Jaganath Kanakkassery 2017-10-25 10:58:48 +05:30 • committed by Marcel Holtmann
parent 858ff38af7
commit f17d858ed0
4 changed files with 8 additions and 1 deletions
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1
net/bluetooth/hci_request.h
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@ -36,6 +36,7 @@ struct hci_request {
};
void hci_req_init(struct hci_request *req, struct hci_dev *hdev);
void hci_req_purge(struct hci_request *req);
int hci_req_run(struct hci_request *req, hci_req_complete_t complete);
int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete);
void hci_req_add(struct hci_request *req, u16 opcode, u32 plen,