diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c
index 24e5ec957630..77b530c3bbce 100644
--- a/security/selinux/ss/hashtab.c
+++ b/security/selinux/ss/hashtab.c
@@ -8,8 +8,8 @@
 #include <linux/errno.h>
 #include "hashtab.h"
 
-struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, void *key),
-                               int (*keycmp)(struct hashtab *h, void *key1, void *key2),
+struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, const void *key),
+                               int (*keycmp)(struct hashtab *h, const void *key1, const void *key2),
                                u32 size)
 {
 	struct hashtab *p;
@@ -71,7 +71,7 @@ int hashtab_insert(struct hashtab *h, void *key, void *datum)
 	return 0;
 }
 
-void *hashtab_search(struct hashtab *h, void *key)
+void *hashtab_search(struct hashtab *h, const void *key)
 {
 	u32 hvalue;
 	struct hashtab_node *cur;
diff --git a/security/selinux/ss/hashtab.h b/security/selinux/ss/hashtab.h
index 4cc85816a718..7e2ff3e3c6d2 100644
--- a/security/selinux/ss/hashtab.h
+++ b/security/selinux/ss/hashtab.h
@@ -22,9 +22,9 @@ struct hashtab {
 	struct hashtab_node **htable;	/* hash table */
 	u32 size;			/* number of slots in hash table */
 	u32 nel;			/* number of elements in hash table */
-	u32 (*hash_value)(struct hashtab *h, void *key);
+	u32 (*hash_value)(struct hashtab *h, const void *key);
 					/* hash function */
-	int (*keycmp)(struct hashtab *h, void *key1, void *key2);
+	int (*keycmp)(struct hashtab *h, const void *key1, const void *key2);
 					/* key comparison function */
 };
 
@@ -39,8 +39,8 @@ struct hashtab_info {
  * Returns NULL if insufficent space is available or
  * the new hash table otherwise.
  */
-struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, void *key),
-                               int (*keycmp)(struct hashtab *h, void *key1, void *key2),
+struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, const void *key),
+                               int (*keycmp)(struct hashtab *h, const void *key1, const void *key2),
                                u32 size);
 
 /*
@@ -59,7 +59,7 @@ int hashtab_insert(struct hashtab *h, void *k, void *d);
  * Returns NULL if no entry has the specified key or
  * the datum of the entry otherwise.
  */
-void *hashtab_search(struct hashtab *h, void *k);
+void *hashtab_search(struct hashtab *h, const void *k);
 
 /*
  * Destroys the specified hash table.
diff --git a/security/selinux/ss/symtab.c b/security/selinux/ss/symtab.c
index 24a10d36d3b6..837658a98a54 100644
--- a/security/selinux/ss/symtab.c
+++ b/security/selinux/ss/symtab.c
@@ -9,9 +9,9 @@
 #include <linux/errno.h>
 #include "symtab.h"
 
-static unsigned int symhash(struct hashtab *h, void *key)
+static unsigned int symhash(struct hashtab *h, const void *key)
 {
-	char *p, *keyp;
+	const char *p, *keyp;
 	unsigned int size;
 	unsigned int val;
 
@@ -23,9 +23,9 @@ static unsigned int symhash(struct hashtab *h, void *key)
 	return val & (h->size - 1);
 }
 
-static int symcmp(struct hashtab *h, void *key1, void *key2)
+static int symcmp(struct hashtab *h, const void *key1, const void *key2)
 {
-	char *keyp1, *keyp2;
+	const char *keyp1, *keyp2;
 
 	keyp1 = key1;
 	keyp2 = key2;