forked from Minki/linux
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)
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@ -1667,17 +1667,26 @@ static struct ethtool_ops ethtool_ops = {
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.get_drvinfo = ether1394_get_drvinfo
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};
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static int __init ether1394_init_module (void)
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static int __init ether1394_init_module(void)
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{
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int err;
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packet_task_cache = kmem_cache_create("packet_task",
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sizeof(struct packet_task),
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0, 0, NULL, NULL);
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if (!packet_task_cache)
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return -ENOMEM;
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hpsb_register_highlevel(ð1394_highlevel);
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return hpsb_register_protocol(ð1394_proto_driver);
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err = hpsb_register_protocol(ð1394_proto_driver);
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if (err) {
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hpsb_unregister_highlevel(ð1394_highlevel);
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kmem_cache_destroy(packet_task_cache);
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}
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return err;
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}
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static void __exit ether1394_exit_module (void)
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static void __exit ether1394_exit_module(void)
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{
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hpsb_unregister_protocol(ð1394_proto_driver);
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hpsb_unregister_highlevel(ð1394_highlevel);
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