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]);
-
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