constify security_path_{unlink,rmdir}

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

include/linux/lsm_hooks.h

@@ -1360,10 +1360,10 @@ union security_list_options {
 
 
 #ifdef CONFIG_SECURITY_PATH
-	int (*path_unlink)(struct path *dir, struct dentry *dentry);
+	int (*path_unlink)(const struct path *dir, struct dentry *dentry);
 	int (*path_mkdir)(struct path *dir, struct dentry *dentry,
 				umode_t mode);
-	int (*path_rmdir)(struct path *dir, struct dentry *dentry);
+	int (*path_rmdir)(const struct path *dir, struct dentry *dentry);
 	int (*path_mknod)(struct path *dir, struct dentry *dentry,
 				umode_t mode, unsigned int dev);
 	int (*path_truncate)(const struct path *path);

include/linux/security.h

@@ -1442,9 +1442,9 @@ static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi
 #endif	/* CONFIG_SECURITY_NETWORK_XFRM */
 
 #ifdef CONFIG_SECURITY_PATH
-int security_path_unlink(struct path *dir, struct dentry *dentry);
+int security_path_unlink(const struct path *dir, struct dentry *dentry);
 int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode);
-int security_path_rmdir(struct path *dir, struct dentry *dentry);
+int security_path_rmdir(const struct path *dir, struct dentry *dentry);
 int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
 			unsigned int dev);
 int security_path_truncate(const struct path *path);
@@ -1459,7 +1459,7 @@ int security_path_chmod(const struct path *path, umode_t mode);
 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
 int security_path_chroot(struct path *path);
 #else	/* CONFIG_SECURITY_PATH */
-static inline int security_path_unlink(struct path *dir, struct dentry *dentry)
+static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
 {
 	return 0;
 }
@@ -1470,7 +1470,7 @@ static inline int security_path_mkdir(struct path *dir, struct dentry *dentry,
 	return 0;
 }
 
-static inline int security_path_rmdir(struct path *dir, struct dentry *dentry)
+static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
 {
 	return 0;
 }

security/apparmor/lsm.c

@@ -245,7 +245,7 @@ static int common_perm_create(int op, const struct path *dir,
 	return common_perm_dir_dentry(op, dir, dentry, mask, &cond);
 }
 
-static int apparmor_path_unlink(struct path *dir, struct dentry *dentry)
+static int apparmor_path_unlink(const struct path *dir, struct dentry *dentry)
 {
 	return common_perm_rm(OP_UNLINK, dir, dentry, AA_MAY_DELETE);
 }
@@ -257,7 +257,7 @@ static int apparmor_path_mkdir(struct path *dir, struct dentry *dentry,
 				  S_IFDIR);
 }
 
-static int apparmor_path_rmdir(struct path *dir, struct dentry *dentry)
+static int apparmor_path_rmdir(const struct path *dir, struct dentry *dentry)
 {
 	return common_perm_rm(OP_RMDIR, dir, dentry, AA_MAY_DELETE);
 }

security/security.c

@@ -427,14 +427,14 @@ int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
 }
 EXPORT_SYMBOL(security_path_mkdir);
 
-int security_path_rmdir(struct path *dir, struct dentry *dentry)
+int security_path_rmdir(const struct path *dir, struct dentry *dentry)
 {
 	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 		return 0;
 	return call_int_hook(path_rmdir, 0, dir, dentry);
 }
 
-int security_path_unlink(struct path *dir, struct dentry *dentry)
+int security_path_unlink(const struct path *dir, struct dentry *dentry)
 {
 	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 		return 0;

security/tomoyo/tomoyo.c

@@ -163,7 +163,7 @@ static int tomoyo_path_truncate(const struct path *path)
  *
  * Returns 0 on success, negative value otherwise.
  */
-static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry)
+static int tomoyo_path_unlink(const struct path *parent, struct dentry *dentry)
 {
 	struct path path = { parent->mnt, dentry };
 	return tomoyo_path_perm(TOMOYO_TYPE_UNLINK, &path, NULL);
@@ -194,7 +194,7 @@ static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry,
  *
  * Returns 0 on success, negative value otherwise.
  */
-static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry)
+static int tomoyo_path_rmdir(const struct path *parent, struct dentry *dentry)
 {
 	struct path path = { parent->mnt, dentry };
 	return tomoyo_path_perm(TOMOYO_TYPE_RMDIR, &path, NULL);