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selinux/nlmsg: add a build time check for rtnl/xfrm cmds

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When a new rtnl or xfrm command is added, this part of the code is frequently
missing. Let's help the developer with a build time test.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2015-04-13 15:20:37 +02:00 committed by David S. Miller
parent e60a9de49c
commit cf89013808
1 changed files with 3 additions and 0 deletions
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3
security/selinux/nlmsgtab.c
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@ -153,6 +153,8 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm)
switch (sclass) {
case SECCLASS_NETLINK_ROUTE_SOCKET:
/* RTM_MAX always point to RTM_SETxxxx, ie RTM_NEWxxx + 3 */
BUILD_BUG_ON(RTM_MAX != (RTM_NEWNSID + 3));
err = nlmsg_perm(nlmsg_type, perm, nlmsg_route_perms,
sizeof(nlmsg_route_perms));
break;
@ -163,6 +165,7 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm)
break;
case SECCLASS_NETLINK_XFRM_SOCKET:
BUILD_BUG_ON(XFRM_MSG_MAX != XFRM_MSG_MAPPING);
err = nlmsg_perm(nlmsg_type, perm, nlmsg_xfrm_perms,
sizeof(nlmsg_xfrm_perms));
break;