SELinux: make it harder to get the number of mnt opts wrong

Instead of just hard coding a value, use the enum to out benefit.

Signed-off-by: Eric Paris <eparis@redhat.com>

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 42b538ceb8b421a7976e5a324e782801e333f695..863f2059018658c2d1e2ed55da008712caa05fb9 100644 (file)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -94,8 +94,6 @@
 #include "audit.h"
 #include "avc_ss.h"
 
-#define NUM_SEL_MNT_OPTS 5
-
 extern struct security_operations *security_ops;
 
 /* SECMARK reference count */
@@ -307,8 +305,11 @@ enum {
        Opt_defcontext = 3,
        Opt_rootcontext = 4,
        Opt_labelsupport = 5,
+       Opt_nextmntopt = 6,
 };
 
+#define NUM_SEL_MNT_OPTS       (Opt_nextmntopt - 1)
+
 static const match_table_t tokens = {
        {Opt_context, CONTEXT_STR "%s"},
        {Opt_fscontext, FSCONTEXT_STR "%s"},