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authorAkinobu Mita <akinobu.mita@gmail.com>2007-02-07 00:12:13 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-02-08 12:39:08 -0800
commit719647e2131585ea0a82b05d3745b36be32975d8 (patch)
tree0f1670ed16de236e71d8e12803e7bdca5e3c569b /net/irda
parentbb5aa42734e72b3f02fc0b3cdd6105083f9880f1 (diff)
downloadlinux-719647e2131585ea0a82b05d3745b36be32975d8.tar.gz
[IRLAN]: handle out of memory errors
This patch checks return values: - irlmp_register_client() - irlmp_register_service() - irlan_open() Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/irda')
-rw-r--r--net/irda/irlan/irlan_common.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index 2bb04ac0932..310776dd610 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -144,12 +144,18 @@ static int __init irlan_init(void)
/* Register with IrLMP as a client */
ckey = irlmp_register_client(hints, &irlan_client_discovery_indication,
NULL, NULL);
-
+ if (!ckey)
+ goto err_ckey;
+
/* Register with IrLMP as a service */
- skey = irlmp_register_service(hints);
+ skey = irlmp_register_service(hints);
+ if (!skey)
+ goto err_skey;
/* Start the master IrLAN instance (the only one for now) */
- new = irlan_open(DEV_ADDR_ANY, DEV_ADDR_ANY);
+ new = irlan_open(DEV_ADDR_ANY, DEV_ADDR_ANY);
+ if (!new)
+ goto err_open;
/* The master will only open its (listen) control TSAP */
irlan_provider_open_ctrl_tsap(new);
@@ -158,6 +164,17 @@ static int __init irlan_init(void)
irlmp_discovery_request(DISCOVERY_DEFAULT_SLOTS);
return 0;
+
+err_open:
+ irlmp_unregister_service(skey);
+err_skey:
+ irlmp_unregister_client(ckey);
+err_ckey:
+#ifdef CONFIG_PROC_FS
+ remove_proc_entry("irlan", proc_irda);
+#endif /* CONFIG_PROC_FS */
+
+ return -ENOMEM;
}
static void __exit irlan_cleanup(void)