On Tue, Oct 6, 2015 at 6:19 PM, Mahesh Bandewar <maheshb@xxxxxxxxxx> wrote:
> On Tue, Oct 6, 2015 at 11:53 AM, Eric W. Biederman
> <ebiederm@xxxxxxxxxxxx> wrote:
>> Compute net once in ipvlan_process_v4_outbound and ipvlan_process_v6_outbound
>> and store it in a variable so that net does not need to be recomputed next time
>> it is used.
>>
> It's used exactly once at this moment so don't know what "next time"
> is. Do you have any additional patch(es) planned?
>
OK. Got it! I was little early in sending that and did not look at the
entire patch-series.
>> Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
>> ---
>> drivers/net/ipvlan/ipvlan_core.c | 6 ++++--
>> 1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
>> index 75dcf36c0366..976f30b291f6 100644
>> --- a/drivers/net/ipvlan/ipvlan_core.c
>> +++ b/drivers/net/ipvlan/ipvlan_core.c
>> @@ -344,6 +344,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb)
>> {
>> const struct iphdr *ip4h = ip_hdr(skb);
>> struct net_device *dev = skb->dev;
>> + struct net *net = dev_net(dev);
>> struct rtable *rt;
>> int err, ret = NET_XMIT_DROP;
>> struct flowi4 fl4 = {
>> @@ -354,7 +355,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb)
>> .saddr = ip4h->saddr,
>> };
>>
>> - rt = ip_route_output_flow(dev_net(dev), &fl4, NULL);
>> + rt = ip_route_output_flow(net, &fl4, NULL);
>> if (IS_ERR(rt))
>> goto err;
>>
>> @@ -381,6 +382,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb)
>> {
>> const struct ipv6hdr *ip6h = ipv6_hdr(skb);
>> struct net_device *dev = skb->dev;
>> + struct net *net = dev_net(dev);
>> struct dst_entry *dst;
>> int err, ret = NET_XMIT_DROP;
>> struct flowi6 fl6 = {
>> @@ -393,7 +395,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb)
>> .flowi6_proto = ip6h->nexthdr,
>> };
>>
>> - dst = ip6_route_output(dev_net(dev), NULL, &fl6);
>> + dst = ip6_route_output(net, NULL, &fl6);
>> if (dst->error) {
>> ret = dst->error;
>> dst_release(dst);
>> --
>> 2.2.1
>>
>> --
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