Messages in this thread Patch in this message | | | From | "Justin P. Mattock" <> | Subject | [PATCH] Bluetooth: Fix HCI_RESET command synchronization backported to stable | Date | Tue, 12 Apr 2011 08:43:27 -0700 |
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backported to stable. did not have the time to compile test this, but patch applies.
Reported-by: Mikko Vinni <mmvinni@yahoo.com> Reported-by: Justin P. Mattock <justinmattock@gmail.com> Reported-by: Ed Tomlinson <edt@aei.ca> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi> Tested-by: Justin P. Mattock <justinmattock@gmail.com> Tested-by: Mikko Vinni <mmvinni@yahoo.com> Tested-by: Ed Tomlinson <edt@aei.ca>
diff -Naur linux-2.6.38.2-orig/include/net/bluetooth/hci.h linux-2.6.38.2/include/net/bluetooth/hci.h --- linux-2.6.38.2-orig/include/net/bluetooth/hci.h 2011-03-27 11:37:20.000000000 -0700 +++ linux-2.6.38.2/include/net/bluetooth/hci.h 2011-04-12 08:27:55.905603867 -0700 @@ -74,6 +74,7 @@ HCI_AUTH, HCI_ENCRYPT, HCI_INQUIRY, + HCI_RESET, HCI_RAW, }; diff -Naur linux-2.6.38.2-orig/net/bluetooth/hci_core.c linux-2.6.38.2/net/bluetooth/hci_core.c --- linux-2.6.38.2-orig/net/bluetooth/hci_core.c 2011-03-27 11:37:20.000000000 -0700 +++ linux-2.6.38.2/net/bluetooth/hci_core.c 2011-04-12 08:29:40.178300280 -0700 @@ -184,6 +184,7 @@ BT_DBG("%s %ld", hdev->name, opt); /* Reset device */ + set_bit(HCI_RESET, &hdev->flags); hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); } @@ -210,7 +211,8 @@ /* Mandatory initialization */ /* Reset */ - if (!test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) + if (!test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) { + set_bit(HCI_RESET, &hdev->flags); hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); /* Read Local Supported Features */ diff -Naur linux-2.6.38.2-orig/net/bluetooth/hci_event.c linux-2.6.38.2/net/bluetooth/hci_event.c --- linux-2.6.38.2-orig/net/bluetooth/hci_event.c 2011-03-27 11:37:20.000000000 -0700 +++ linux-2.6.38.2/net/bluetooth/hci_event.c 2011-04-12 08:30:54.816367176 -0700 @@ -183,6 +183,8 @@ BT_DBG("%s status 0x%x", hdev->name, status); + clear_bit(HCI_RESET, &hdev->flags); + hci_req_complete(hdev, HCI_OP_RESET, status); } @@ -1398,7 +1400,7 @@ break; } - if (ev->ncmd) { + if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) tasklet_schedule(&hdev->cmd_task);
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