Security: Make secctx_to_secid() take const secdata

Make secctx_to_secid() take constant secdata.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

7 files changed, 10 insertions, 10 deletions

diff --git a/include/linux/security.h b/include/linux/security.h
index adb09d893ae0..50737c70e78e 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1481,7 +1481,7 @@ struct security_operations {
         int (*getprocattr) (struct task_struct *p, char *name, char **value);
         int (*setprocattr) (struct task_struct *p, char *name, void *value, size_t size);
         int (*secid_to_secctx) (u32 secid, char **secdata, u32 *seclen);
-        int (*secctx_to_secid) (char *secdata, u32 seclen, u32 *secid);
+        int (*secctx_to_secid) (const char *secdata, u32 seclen, u32 *secid);
         void (*release_secctx) (char *secdata, u32 seclen);
 
 #ifdef CONFIG_SECURITY_NETWORK
@@ -1730,7 +1730,7 @@ int security_setprocattr(struct task_struct *p, char *name, void *value, size_t
 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
 int security_netlink_recv(struct sk_buff *skb, int cap);
 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
-int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid);
+int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
 void security_release_secctx(char *secdata, u32 seclen);
 
 #else /* CONFIG_SECURITY */
@@ -2449,7 +2449,7 @@ static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *secle
         return -EOPNOTSUPP;
 }
 
-static inline int security_secctx_to_secid(char *secdata,
+static inline int security_secctx_to_secid(const char *secdata,
                                            u32 seclen,
                                            u32 *secid)
 {
diff --git a/security/dummy.c b/security/dummy.c
index 48cf30226e16..f50c6c3c32c9 100644
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -968,7 +968,7 @@ static int dummy_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
         return -EOPNOTSUPP;
 }
 
-static int dummy_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+static int dummy_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 {
         return -EOPNOTSUPP;
 }
diff --git a/security/security.c b/security/security.c
index 8e64a29dc55d..59838a99b80e 100644
--- a/security/security.c
+++ b/security/security.c
@@ -886,7 +886,7 @@ int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 }
 EXPORT_SYMBOL(security_secid_to_secctx);
 
-int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 {
         return security_ops->secctx_to_secid(secdata, seclen, secid);
 }
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 4e4de98941ae..85a220465a8f 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -5238,7 +5238,7 @@ static int selinux_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
         return security_sid_to_context(secid, secdata, seclen);
 }
 
-static int selinux_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+static int selinux_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 {
         return security_context_to_sid(secdata, seclen, secid);
 }
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index cdb14add27d2..ad30ac4273d6 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -96,7 +96,7 @@ int security_sid_to_context(u32 sid, char **scontext,
 int security_context_to_sid(const char *scontext, u32 scontext_len,
         u32 *out_sid);
 
-int security_context_to_sid_default(char *scontext, u32 scontext_len,
+int security_context_to_sid_default(const char *scontext, u32 scontext_len,
                                     u32 *out_sid, u32 def_sid, gfp_t gfp_flags);
 
 int security_get_user_sids(u32 callsid, char *username,
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 25cac5a2aa8e..dcc2e1c4fd83 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -858,8 +858,8 @@ int security_context_to_sid(const char *scontext, u32 scontext_len, u32 *sid)
  * Returns -%EINVAL if the context is invalid, -%ENOMEM if insufficient
  * memory is available, or 0 on success.
  */
-int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *sid,
-                                    u32 def_sid, gfp_t gfp_flags)
+int security_context_to_sid_default(const char *scontext, u32 scontext_len,
+                                    u32 *sid, u32 def_sid, gfp_t gfp_flags)
 {
         return security_context_to_sid_core(scontext, scontext_len,
                                             sid, def_sid, gfp_flags);
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 5d2ec5650e61..92baee53a7dc 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -2406,7 +2406,7 @@ static int smack_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
  *
  * Exists for audit and networking code.
  */
-static int smack_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+static int smack_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 {
         *secid = smack_to_secid(secdata);
         return 0;