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net: net_netdev: Fix error handling in ntb_netdev_init_module()

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The ntb_netdev_init_module() returns the ntb_transport_register_client()
directly without checking its return value, if
ntb_transport_register_client() failed, the NTB client device is not
unregistered.

Fix by unregister NTB client device when ntb_transport_register_client()
failed.

Fixes: 548c237c0a ("net: Add support for NTB virtual ethernet device")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuan Can
2022-11-24 07:09:17 +00:00
committed by David S. Miller
parent 46fb651253
commit b8f79dccd3
1 changed files with 8 additions and 1 deletions
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9
drivers/net/ntb_netdev.c
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@@ -484,7 +484,14 @@ static int __init ntb_netdev_init_module(void)
rc = ntb_transport_register_client_dev(KBUILD_MODNAME);
if (rc)
return rc;
return ntb_transport_register_client(&ntb_netdev_client);
rc = ntb_transport_register_client(&ntb_netdev_client);
if (rc) {
ntb_transport_unregister_client_dev(KBUILD_MODNAME);
return rc;
}
return 0;
}
module_init(ntb_netdev_init_module);