net/netlink_compat: Fix a missing check of nla_parse_nested

In tipc_nl_compat_sk_dump(), if nla_parse_nested() fails, it could return
an error. To be consistent with other invocations of the function call,
on error, the fix passes the return value upstream.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Aditya Pakki 2018-12-23 18:54:53 -06:00 committed by David S. Miller
parent 40c3ff6d5e
commit 89dfd00837

View File

@ -951,8 +951,11 @@ static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg,
u32 node;
struct nlattr *con[TIPC_NLA_CON_MAX + 1];
nla_parse_nested(con, TIPC_NLA_CON_MAX,
sock[TIPC_NLA_SOCK_CON], NULL, NULL);
err = nla_parse_nested(con, TIPC_NLA_CON_MAX,
sock[TIPC_NLA_SOCK_CON], NULL, NULL);
if (err)
return err;
node = nla_get_u32(con[TIPC_NLA_CON_NODE]);
tipc_tlv_sprintf(msg->rep, " connected to <%u.%u.%u:%u>",