From: Wei Yongjun weiyongjun1@huawei.com
[ Upstream commit d4072058af4fd8fb4658e7452289042a406a9398 ]
If mctp_neigh_init() return error, the routes resources should be released in the error handling path. Otherwise some resources leak.
Fixes: 4d8b9319282a ("mctp: Add neighbour implementation") Signed-off-by: Wei Yongjun weiyongjun1@huawei.com Acked-by: Matt Johnston matt@codeconstruct.com.au Link: https://lore.kernel.org/r/20221108095517.620115-1-weiyongjun@huaweicloud.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- net/mctp/af_mctp.c | 4 +++- net/mctp/route.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/mctp/af_mctp.c b/net/mctp/af_mctp.c index b6b5e496fa40..fc9e728b6333 100644 --- a/net/mctp/af_mctp.c +++ b/net/mctp/af_mctp.c @@ -665,12 +665,14 @@ static __init int mctp_init(void)
rc = mctp_neigh_init(); if (rc) - goto err_unreg_proto; + goto err_unreg_routes;
mctp_device_init();
return 0;
+err_unreg_routes: + mctp_routes_exit(); err_unreg_proto: proto_unregister(&mctp_proto); err_unreg_sock: diff --git a/net/mctp/route.c b/net/mctp/route.c index 2155f15a074c..f9a80b82dc51 100644 --- a/net/mctp/route.c +++ b/net/mctp/route.c @@ -1400,7 +1400,7 @@ int __init mctp_routes_init(void) return register_pernet_subsys(&mctp_net_ops); }
-void __exit mctp_routes_exit(void) +void mctp_routes_exit(void) { unregister_pernet_subsys(&mctp_net_ops); rtnl_unregister(PF_MCTP, RTM_DELROUTE);