snmp: add align parameter to snmp_mib_init()

In preparation for 64bit snmp counters for some mibs,
add an 'align' parameter to snmp_mib_init(), instead
of assuming mibs only contain 'unsigned long' fields.

Callers can use __alignof__(type) to provide correct
alignment.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
CC: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 4bf27d90133..593c06be6b6 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2480,7 +2480,8 @@ static int __net_init xfrm_statistics_init(struct net *net)
         int rv;
 
         if (snmp_mib_init((void __percpu **)net->mib.xfrm_statistics,
-                          sizeof(struct linux_xfrm_mib)) < 0)
+                          sizeof(struct linux_xfrm_mib),
+                          __alignof__(struct linux_xfrm_mib)) < 0)
                 return -ENOMEM;
         rv = xfrm_proc_init(net);
         if (rv < 0)