For multi hci devices host, connection from/to same destination bluetooth device, add_conn will failed due to sysfs duplicate name.
sysfs: duplicate filename 'acl0018C5B6B456' can not be created WARNING: at fs/sysfs/dir.c:424 sysfs_add_one() [<c01c0120>] sysfs_add_one+0xa0/0xe0 [<c01c0d7b>] sysfs_create_link+0x9b/0x140 [<c01c1671>] create_files+0x31/0x60 [<c02b537b>] bus_add_device+0x5b/0xf0 [<c02b391c>] device_add+0x11c/0x350 [<f8951410>] add_conn+0x0/0x90 [bluetooth] [<f895141f>] add_conn+0xf/0x90 [bluetooth] [<c013baee>] run_workqueue+0x5e/0x110 [<c013bc4c>] worker_thread+0xac/0x100 [<c0140000>] autoremove_wake_function+0x0/0x50 [<c0140000>] autoremove_wake_function+0x0/0x50 [<c013bba0>] worker_thread+0x0/0x100 [<c013fa39>] kthread+0x59/0xa0 [<c013f9e0>] kthread+0x0/0xa0 [<c0104f83>] kernel_thread_helper+0x7/0x14 ======================= add_conn: Failed to register connection device Add prefix hdev->name to bus_id to fix this problem. Signed-off-by: Dave Young <[EMAIL PROTECTED]> --- net/bluetooth/hci_sysfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff -upr linux/net/bluetooth/hci_sysfs.c linux.new/net/bluetooth/hci_sysfs.c --- linux/net/bluetooth/hci_sysfs.c 2007-10-31 10:21:00.000000000 +0800 +++ linux.new/net/bluetooth/hci_sysfs.c 2007-10-31 10:21:55.000000000 +0800 @@ -302,7 +302,8 @@ void hci_conn_add_sysfs(struct hci_conn conn->dev.release = bt_release; snprintf(conn->dev.bus_id, BUS_ID_SIZE, - "%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X", + "%s%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X", + hdev->name, conn->type == ACL_LINK ? "acl" : "sco", ba->b[5], ba->b[4], ba->b[3], ba->b[2], ba->b[1], ba->b[0]); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/