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/sctp/protocol.c b/net/sctp/protocol.c
index a0e1a7fdebbf..c0e162aeb0bd 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1002,7 +1002,8 @@ int sctp_register_pf(struct sctp_pf *pf, sa_family_t family)
 static inline int init_sctp_mibs(void)
 {
         return snmp_mib_init((void __percpu **)sctp_statistics,
-                             sizeof(struct sctp_mib));
+                             sizeof(struct sctp_mib),
+                             __alignof__(struct sctp_mib));
 }
 
 static inline void cleanup_sctp_mibs(void)