LSM: Record LSM name in struct lsm_info

In preparation for making LSM selections outside of the LSMs, include
the name of LSMs in struct lsm_info.

Signed-off-by: Kees Cook <[e-mail]>
Reviewed-by: Casey Schaufler <[e-mail]>
Signed-off-by: James Morris <[e-mail]>

include/linux/lsm_hooks.h

···
 				char *lsm);
 
 struct lsm_info {
+	const char *name;	/* Required. */
 	int (*init)(void);	/* Required. */
 };
 

security/apparmor/lsm.c

···
 }
 
 DEFINE_LSM(apparmor) = {
+	.name = "apparmor",
 	.init = apparmor_init,
 };

security/integrity/iint.c

···
 	return 0;
 }
 DEFINE_LSM(integrity) = {
+	.name = "integrity",
 	.init = integrity_iintcache_init,
 };
 

security/selinux/hooks.c

···
 /* SELinux requires early initialization in order to label
    all processes and objects when they are created. */
 DEFINE_LSM(selinux) = {
+	.name = "selinux",
 	.init = selinux_init,
 };
 

security/smack/smack_lsm.c

···
  * all processes and objects when they are created.
  */
 DEFINE_LSM(smack) = {
+	.name = "smack",
 	.init = smack_init,
 };

security/tomoyo/tomoyo.c

···
 }
 
 DEFINE_LSM(tomoyo) = {
+	.name = "tomoyo",
 	.init = tomoyo_init,
 };