diff options
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 198ca2c99510..d3694a13c85a 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -878,10 +878,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev, + nla_total_size(IFNAMSIZ) /* IFLA_QDISC */ + nla_total_size(sizeof(struct rtnl_link_ifmap)) + nla_total_size(sizeof(struct rtnl_link_stats)) -#ifndef HAVE_EFFICIENT_UNALIGNED_ACCESS - + nla_total_size(0) /* IFLA_PAD */ -#endif - + nla_total_size(sizeof(struct rtnl_link_stats64)) + + nla_total_size_64bit(sizeof(struct rtnl_link_stats64)) + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */ + nla_total_size(MAX_ADDR_LEN) /* IFLA_BROADCAST */ + nla_total_size(4) /* IFLA_TXQLEN */ @@ -1054,22 +1051,11 @@ static noinline_for_stack int rtnl_fill_stats(struct sk_buff *skb, { struct rtnl_link_stats64 *sp; struct nlattr *attr; + int err; -#ifndef HAVE_EFFICIENT_UNALIGNED_ACCESS - /* IF necessary, add a zero length NOP attribute so that the - * nla_data() of the IFLA_STATS64 will be 64-bit aligned. - * - * The nlattr header is 4 bytes in size, that's why we test - * if the skb->data _is_ aligned. This NOP attribute, plus - * nlattr header for IFLA_STATS64, will make nla_data() 8-byte - * aligned. - */ - if (IS_ALIGNED((unsigned long)skb->data, 8)) { - attr = nla_reserve(skb, IFLA_PAD, 0); - if (!attr) - return -EMSGSIZE; - } -#endif + err = nla_align_64bit(skb, IFLA_PAD); + if (err) + return err; attr = nla_reserve(skb, IFLA_STATS64, sizeof(struct rtnl_link_stats64)); |