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| author | wangweidong <wangweidong1@huawei.com> | 2014-05-08 14:55:02 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-09 22:41:09 +0200 |
| commit | f66138c8471442c24c58cdce6ba5f36c5ce93d7a (patch) | |
| tree | 53c95dea1f7859caf3a475e0dc04ad33565ca2ce | |
| parent | Revert "sctp: optimize the sctp_sysctl_net_register" (diff) | |
| download | linux-f66138c8471442c24c58cdce6ba5f36c5ce93d7a.tar.xz linux-f66138c8471442c24c58cdce6ba5f36c5ce93d7a.zip | |
sctp: add a checking for sctp_sysctl_net_register
When register_net_sysctl failed, we should free the
sysctl_table.
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/sctp/sysctl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c index ee80eb45799d..7e5eb7554990 100644 --- a/net/sctp/sysctl.c +++ b/net/sctp/sysctl.c @@ -447,6 +447,10 @@ int sctp_sysctl_net_register(struct net *net) table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp; net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table); + if (net->sctp.sysctl_header == NULL) { + kfree(table); + return -ENOMEM; + } return 0; } |