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.dich...@6wind.com>
---
security/selinux/nlmsgtab.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c
index 30594bfa5fb1..2bbb41822d8e 100644
--- a/security/selinux/nlmsgtab.c
+++ b/security/selinux/nlmsgtab.c
@@ -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;
--
2.2.2
--
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