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author | Akinobu Mita <akinobu.mita@gmail.com> | 2007-04-21 09:36:26 (GMT) |
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committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2007-04-29 22:00:32 (GMT) |
commit | 809e905ce73eaa13972c2617959f8ec16e7d0d6f (patch) | |
tree | 7aa0bf419a76c0c80802c599f8506dc1ae17d9fc /drivers/ieee1394 | |
parent | fdc0092bfd68cedfb9929256957f64c2c2760b5c (diff) | |
download | linux-809e905ce73eaa13972c2617959f8ec16e7d0d6f.tar.xz |
ieee1394: eth1394: fix error path in module_init
This patch fixes some error handlings in eth1394:
- check return value of kmem_cache_create()
- cleanup resources if hpsb_register_protocol() fails
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (whitespace)
Diffstat (limited to 'drivers/ieee1394')
-rw-r--r-- | drivers/ieee1394/eth1394.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 1c26322..bd67c86 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -1667,17 +1667,26 @@ static struct ethtool_ops ethtool_ops = { .get_drvinfo = ether1394_get_drvinfo }; -static int __init ether1394_init_module (void) +static int __init ether1394_init_module(void) { + int err; + packet_task_cache = kmem_cache_create("packet_task", sizeof(struct packet_task), 0, 0, NULL, NULL); + if (!packet_task_cache) + return -ENOMEM; hpsb_register_highlevel(ð1394_highlevel); - return hpsb_register_protocol(ð1394_proto_driver); + err = hpsb_register_protocol(ð1394_proto_driver); + if (err) { + hpsb_unregister_highlevel(ð1394_highlevel); + kmem_cache_destroy(packet_task_cache); + } + return err; } -static void __exit ether1394_exit_module (void) +static void __exit ether1394_exit_module(void) { hpsb_unregister_protocol(ð1394_proto_driver); hpsb_unregister_highlevel(ð1394_highlevel); |