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authorZhu Yanjun <yanjun.zhu@oracle.com>2017-02-24 04:28:01 -0500
committerDavid S. Miller <davem@davemloft.net>2017-02-24 14:13:14 -0500
commit3b5923f0796b13e731802d40faf62d2c59d98e48 (patch)
treeecf819039abb0ac6715ae135ca1f838ed0a0b5b3 /net/rds/tcp.c
parent1158632b5a2dcce0786c1b1b99654e81cc867981 (diff)
downloadlinux-3b5923f0796b13e731802d40faf62d2c59d98e48.tar.bz2
rds: fix memory leak error
When the function register_netdevice_notifier fails, the memory allocated by kmem_cache_create should be freed by the function kmem_cache_destroy. Cc: Joe Jin <joe.jin@oracle.com> Cc: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds/tcp.c')
-rw-r--r--net/rds/tcp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index 57bb52361e0f..5438f6725092 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -641,12 +641,12 @@ static int rds_tcp_init(void)
ret = register_netdevice_notifier(&rds_tcp_dev_notifier);
if (ret) {
pr_warn("could not register rds_tcp_dev_notifier\n");
- goto out;
+ goto out_slab;
}
ret = register_pernet_subsys(&rds_tcp_net_ops);
if (ret)
- goto out_slab;
+ goto out_notifier;
ret = rds_tcp_recv_init();
if (ret)
@@ -664,9 +664,10 @@ out_recv:
rds_tcp_recv_exit();
out_pernet:
unregister_pernet_subsys(&rds_tcp_net_ops);
-out_slab:
+out_notifier:
if (unregister_netdevice_notifier(&rds_tcp_dev_notifier))
pr_warn("could not unregister rds_tcp_dev_notifier\n");
+out_slab:
kmem_cache_destroy(rds_tcp_conn_slab);
out:
return ret;