> On 5/4/19 1:26 AM, Zhiqiang Liu wrote:
>>
>> diff --git a/ip/ipnetns.c b/ip/ipnetns.c
>> index 430d884..d72be95 100644
>> --- a/ip/ipnetns.c
>> +++ b/ip/ipnetns.c
>> @@ -107,7 +107,7 @@ int get_netnsid_from_name(const char *name)
>> struct nlmsghdr *answer;
>> struct rtattr *tb[NETNSA_MAX + 1];
>> struct rtgenmsg *rthdr;
>> - int len, fd;
>> + int len, fd, ret = -1;
>>
>> netns_nsid_socket_init();
>>
>> @@ -134,8 +134,9 @@ int get_netnsid_from_name(const char *name)
>> parse_rtattr(tb, NETNSA_MAX, NETNS_RTA(rthdr), len);
>>
>> if (tb[NETNSA_NSID]) {
>> + ret = rta_getattr_u32(tb[NETNSA_NSID]);
>> free(answer);
>> - return rta_getattr_u32(tb[NETNSA_NSID]);
>> + return ret;
>
> set ret here, drop the free, let it proceed down to the existing free
> and return but now using ret. That way there is 1 exit path and handles
> the cleanup
Yes, you are right. I will do that in the v4 patch.
That is very nice of you. Thanks a lot.