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platform_kernel-5.15
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[IPV6]: Fix inet6_init missing unregister. 

Based mostly upon a patch from Olaf Kirch <okir@suse.de>

When initialization fails in inet6_init(), we should
unregister the PF_INET6 socket ops.

Also, check sock_register()'s return value for errors.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2005-11-11 15:05:47 -08:00
parent 85837ebdd7
commit 8eb5591052
1 changed files with 6 additions and 2 deletions
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8
net/ipv6/af_inet6.c
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@ -699,12 +699,14 @@ static int __init inet6_init(void)
/* Register the family here so that the init calls below will /* Register the family here so that the init calls below will
* be able to create sockets. (?? is this dangerous ??) * be able to create sockets. (?? is this dangerous ??)
*/ */
(void) sock_register(&inet6_family_ops); err = sock_register(&inet6_family_ops);
if (err)
goto out_unregister_raw_proto;
/* Initialise ipv6 mibs */ /* Initialise ipv6 mibs */
err = init_ipv6_mibs(); err = init_ipv6_mibs();
if (err) if (err)
goto out_unregister_raw_proto; goto out_unregister_sock;
/* /*
* ipngwg API draft makes clear that the correct semantics * ipngwg API draft makes clear that the correct semantics
@ -796,6 +798,8 @@ static int __init inet6_init(void)
ipv6_sysctl_unregister(); ipv6_sysctl_unregister();
#endif #endif
cleanup_ipv6_mibs(); cleanup_ipv6_mibs();
out_unregister_sock:
sock_unregister(PF_INET6);
out_unregister_raw_proto: out_unregister_raw_proto:
proto_unregister(&rawv6_prot); proto_unregister(&rawv6_prot);
out_unregister_udp_proto: out_unregister_udp_proto: