From 77b286c0d26a5399912f5affd90ed73e2d8b42a5 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 25 Mar 2016 15:28:43 -0400
Subject: constify security_path_chroot()

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

diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 52c2ac5..e2baca4 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -1376,7 +1376,7 @@ union security_list_options {
 				struct dentry *new_dentry);
 	int (*path_chmod)(const struct path *path, umode_t mode);
 	int (*path_chown)(const struct path *path, kuid_t uid, kgid_t gid);
-	int (*path_chroot)(struct path *path);
+	int (*path_chroot)(const struct path *path);
 #endif
 
 	int (*inode_alloc_security)(struct inode *inode);
diff --git a/include/linux/security.h b/include/linux/security.h
index 8285411..cb53cff 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1457,7 +1457,7 @@ int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
 			 unsigned int flags);
 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);
+int security_path_chroot(const struct path *path);
 #else	/* CONFIG_SECURITY_PATH */
 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
 {
@@ -1518,7 +1518,7 @@ static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_
 	return 0;
 }
 
-static inline int security_path_chroot(struct path *path)
+static inline int security_path_chroot(const struct path *path)
 {
 	return 0;
 }
diff --git a/security/security.c b/security/security.c
index 33b85a9..cf6f31d 100644
--- a/security/security.c
+++ b/security/security.c
@@ -499,7 +499,7 @@ int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
 	return call_int_hook(path_chown, 0, path, uid, gid);
 }
 
-int security_path_chroot(struct path *path)
+int security_path_chroot(const struct path *path)
 {
 	return call_int_hook(path_chroot, 0, path);
 }
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index 6a858f2..c7764bb 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -385,7 +385,7 @@ static int tomoyo_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
  *
  * Returns 0 on success, negative value otherwise.
  */
-static int tomoyo_path_chroot(struct path *path)
+static int tomoyo_path_chroot(const struct path *path)
 {
 	return tomoyo_path_perm(TOMOYO_TYPE_CHROOT, path, NULL);
 }
-- 
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