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snmp: add align parameter to snmp_mib_init()

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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>
This commit is contained in:
Eric Dumazet
2010-06-22 20:58:41 +00:00
committed by David S. Miller
parent 5eaa0bd81f
commit 1823e4c80e
7 changed files with 40 additions and 22 deletions
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9
net/ipv6/addrconf.c
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@@ -284,13 +284,16 @@ static void addrconf_mod_timer(struct inet6_ifaddr *ifp,
static int snmp6_alloc_dev(struct inet6_dev *idev)
{
if (snmp_mib_init((void __percpu **)idev->stats.ipv6,
sizeof(struct ipstats_mib)) < 0)
sizeof(struct ipstats_mib),
__alignof__(struct ipstats_mib)) < 0)
goto err_ip;
if (snmp_mib_init((void __percpu **)idev->stats.icmpv6,
sizeof(struct icmpv6_mib)) < 0)
sizeof(struct icmpv6_mib),
__alignof__(struct icmpv6_mib)) < 0)
goto err_icmp;
if (snmp_mib_init((void __percpu **)idev->stats.icmpv6msg,
sizeof(struct icmpv6msg_mib)) < 0)
sizeof(struct icmpv6msg_mib),
__alignof__(struct icmpv6msg_mib)) < 0)
goto err_icmpmsg;
return 0;