selinux: sparse fix: fix several warnings in the security server code

Fix several sparse warnings in the SELinux security server code.
Signed-off-by: James Morris <jmorris@namei.org>

security/selinux/hooks.c

@@ -89,6 +89,7 @@
 #include "xfrm.h"
 #include "netlabel.h"
 #include "audit.h"
+#include "avc_ss.h"
 
 #define NUM_SEL_MNT_OPTS 5
 
@@ -278,10 +279,6 @@ static void superblock_free_security(struct super_block *sb)
 	kfree(sbsec);
 }
 
-/* The security server must be initialized before
-   any labeling or access decisions can be provided. */
-extern int ss_initialized;
-
 /* The file system's label must be initialized prior to use. */
 
 static const char *labeling_behaviors[6] = {

security/selinux/include/avc_ss.h

@@ -18,5 +18,11 @@ struct security_class_mapping {
 
 extern struct security_class_mapping secclass_map[];
 
+/*
+ * The security server must be initialized before
+ * any labeling or access decisions can be provided.
+ */
+extern int ss_initialized;
+
 #endif /* _SELINUX_AVC_SS_H_ */
 

security/selinux/ss/conditional.c

@@ -555,7 +555,7 @@ static int cond_write_av_list(struct policydb *p,
 	return 0;
 }
 
-int cond_write_node(struct policydb *p, struct cond_node *node,
+static int cond_write_node(struct policydb *p, struct cond_node *node,
 		    struct policy_file *fp)
 {
 	struct cond_expr *cur_expr;

security/selinux/ss/conditional.h

@@ -13,6 +13,7 @@
 #include "avtab.h"
 #include "symtab.h"
 #include "policydb.h"
+#include "../include/conditional.h"
 
 #define COND_EXPR_MAXDEPTH 10
 

security/selinux/ss/policydb.c

@@ -1743,8 +1743,6 @@ static int policydb_bounds_sanity_check(struct policydb *p)
 	return 0;
 }
 
-extern int ss_initialized;
-
 u16 string_to_security_class(struct policydb *p, const char *name)
 {
 	struct class_datum *cladatum;