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Message-ID: <20061012015316.GA13305@havoc.gtf.org>
Date: Wed, 11 Oct 2006 21:53:16 -0400
From: Jeff Garzik <jeff@...zik.org>
To: marcel@...tmann.org, maxk@...lcomm.com,
Andrew Morton <akpm@...l.org>,
LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org
Subject: [PATCH] NET/bluetooth: handle sysfs errors
Signed-off-by: Jeff Garzik <jeff@...zik.org>
---
net/bluetooth/l2cap.c | 19 ++++++++++++++-----
net/bluetooth/rfcomm/core.c | 21 ++++++++++++++++++---
net/bluetooth/rfcomm/sock.c | 7 ++++++-
net/bluetooth/sco.c | 17 ++++++++++++-----
4 files changed, 50 insertions(+), 14 deletions(-)
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index d56f60b..7dda7ce 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -2206,24 +2206,33 @@ static int __init l2cap_init(void)
err = bt_sock_register(BTPROTO_L2CAP, &l2cap_sock_family_ops);
if (err < 0) {
BT_ERR("L2CAP socket registration failed");
- goto error;
+ goto err_proto;
}
err = hci_register_proto(&l2cap_hci_proto);
if (err < 0) {
BT_ERR("L2CAP protocol registration failed");
- bt_sock_unregister(BTPROTO_L2CAP);
- goto error;
+ goto err_sock;
}
- class_create_file(bt_class, &class_attr_l2cap);
+ err = class_create_file(bt_class, &class_attr_l2cap);
+ if (err) {
+ BT_ERR("L2CAP class registration failed");
+ goto err_proto2;
+ }
BT_INFO("L2CAP ver %s", VERSION);
BT_INFO("L2CAP socket layer initialized");
return 0;
-error:
+err_proto2:
+ if (hci_unregister_proto(&l2cap_hci_proto) < 0)
+ BT_ERR("L2CAP protocol unregistration failed");
+err_sock:
+ if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
+ BT_ERR("L2CAP socket unregistration failed");
+err_proto:
proto_unregister(&l2cap_proto);
return err;
}
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 468df3b..102d668 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -2052,13 +2052,21 @@ static CLASS_ATTR(rfcomm_dlc, S_IRUGO, r
/* ---- Initialization ---- */
static int __init rfcomm_init(void)
{
+ int rc;
+
l2cap_load();
- hci_register_cb(&rfcomm_cb);
+ rc = hci_register_cb(&rfcomm_cb);
+ if (rc)
+ goto err;
- kernel_thread(rfcomm_run, NULL, CLONE_KERNEL);
+ rc = class_create_file(bt_class, &class_attr_rfcomm_dlc);
+ if (rc)
+ goto err_hcireg;
- class_create_file(bt_class, &class_attr_rfcomm_dlc);
+ rc = kernel_thread(rfcomm_run, NULL, CLONE_KERNEL);
+ if (rc < 0)
+ goto err_file;
rfcomm_init_sockets();
@@ -2069,6 +2077,13 @@ #endif
BT_INFO("RFCOMM ver %s", VERSION);
return 0;
+
+err_file:
+ class_remove_file(bt_class, &class_attr_rfcomm_dlc);
+err_hcireg:
+ hci_unregister_cb(&rfcomm_cb);
+err:
+ return rc;
}
static void __exit rfcomm_exit(void)
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 220fee0..ff9b3f1 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -944,12 +944,17 @@ int __init rfcomm_init_sockets(void)
if (err < 0)
goto error;
- class_create_file(bt_class, &class_attr_rfcomm);
+ err = class_create_file(bt_class, &class_attr_rfcomm);
+ if (err)
+ goto error_sock;
BT_INFO("RFCOMM socket layer initialized");
return 0;
+error_sock:
+ if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
+ BT_ERR("RFCOMM socket layer unregistration failed");
error:
BT_ERR("RFCOMM socket layer registration failed");
proto_unregister(&rfcomm_proto);
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 7714a2e..f28392a 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -957,24 +957,31 @@ static int __init sco_init(void)
err = bt_sock_register(BTPROTO_SCO, &sco_sock_family_ops);
if (err < 0) {
BT_ERR("SCO socket registration failed");
- goto error;
+ goto err_proto;
}
err = hci_register_proto(&sco_hci_proto);
if (err < 0) {
BT_ERR("SCO protocol registration failed");
- bt_sock_unregister(BTPROTO_SCO);
- goto error;
+ goto err_sock;
}
- class_create_file(bt_class, &class_attr_sco);
+ err = class_create_file(bt_class, &class_attr_sco);
+ if (err)
+ goto err_proto2;
BT_INFO("SCO (Voice Link) ver %s", VERSION);
BT_INFO("SCO socket layer initialized");
return 0;
-error:
+err_proto2:
+ if (hci_unregister_proto(&sco_hci_proto) < 0)
+ BT_ERR("SCO protocol unregistration failed");
+err_sock:
+ if (bt_sock_unregister(BTPROTO_SCO) < 0)
+ BT_ERR("SCO socket unregistration failed");
+err_proto:
proto_unregister(&sco_proto);
return err;
}
-
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