lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[NETLINK]: Make use of NLA_STRING/NLA_NUL_STRING attribute validation

Browse Source 
Converts existing NLA_STRING attributes to use the new
validation features, saving a couple of temporary buffers.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf
2006-08-26 20:13:18 -07:00
committed by David S. Miller
parent a5531a5d85
commit 5176f91ea8
9 changed files with 17 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
net/core/rtnetlink.c
View File

@ -371,8 +371,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
}
static struct nla_policy ifla_policy[IFLA_MAX+1] __read_mostly = {
[IFLA_IFNAME] = { .type = NLA_STRING },
[IFLA_MAP] = { .minlen = sizeof(struct rtnl_link_ifmap) },
[IFLA_IFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ-1 },
[IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
[IFLA_MTU] = { .type = NLA_U32 },
[IFLA_TXQLEN] = { .type = NLA_U32 },
[IFLA_WEIGHT] = { .type = NLA_U32 },
@ -392,9 +392,8 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
if (err < 0)
goto errout;
if (tb[IFLA_IFNAME] &&
nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ) >= IFNAMSIZ)
return -EINVAL;
if (tb[IFLA_IFNAME])
nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
err = -EINVAL;
ifm = nlmsg_data(nlh);