switch security_path_chmod() to struct path *

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

6 files changed, 15 insertions, 25 deletions

diff --git a/fs/open.c b/fs/open.c
index 2659f596f4c5..77becc041149 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -456,7 +456,7 @@ static int chmod_common(struct path *path, umode_t mode)
         if (error)
                 return error;
         mutex_lock(&inode->i_mutex);
-        error = security_path_chmod(path->dentry, path->mnt, mode);
+        error = security_path_chmod(path, mode);
         if (error)
                 goto out_unlock;
         newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
diff --git a/include/linux/security.h b/include/linux/security.h
index 535721cc374a..4298d2dbafa3 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1435,8 +1435,7 @@ struct security_operations {
                           struct dentry *new_dentry);
         int (*path_rename) (struct path *old_dir, struct dentry *old_dentry,
                             struct path *new_dir, struct dentry *new_dentry);
-        int (*path_chmod) (struct dentry *dentry, struct vfsmount *mnt,
-                           umode_t mode);
+        int (*path_chmod) (struct path *path, umode_t mode);
         int (*path_chown) (struct path *path, uid_t uid, gid_t gid);
         int (*path_chroot) (struct path *path);
 #endif
@@ -2866,8 +2865,7 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
                        struct dentry *new_dentry);
 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
                          struct path *new_dir, struct dentry *new_dentry);
-int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
-                        umode_t mode);
+int security_path_chmod(struct path *path, umode_t mode);
 int security_path_chown(struct path *path, uid_t uid, gid_t gid);
 int security_path_chroot(struct path *path);
 #else   /* CONFIG_SECURITY_PATH */
@@ -2919,9 +2917,7 @@ static inline int security_path_rename(struct path *old_dir,
         return 0;
 }
 
-static inline int security_path_chmod(struct dentry *dentry,
-                                      struct vfsmount *mnt,
-                                      umode_t mode)
+static inline int security_path_chmod(struct path *path, umode_t mode)
 {
         return 0;
 }
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index c0a399ec1df9..2c0a0ff41399 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -344,13 +344,12 @@ static int apparmor_path_rename(struct path *old_dir, struct dentry *old_dentry,
         return error;
 }
 
-static int apparmor_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
-                               umode_t mode)
+static int apparmor_path_chmod(struct path *path, umode_t mode)
 {
-        if (!mediated_filesystem(dentry->d_inode))
+        if (!mediated_filesystem(path->dentry->d_inode))
                 return 0;
 
-        return common_perm_mnt_dentry(OP_CHMOD, mnt, dentry, AA_MAY_CHMOD);
+        return common_perm_mnt_dentry(OP_CHMOD, path->mnt, path->dentry, AA_MAY_CHMOD);
 }
 
 static int apparmor_path_chown(struct path *path, uid_t uid, gid_t gid)
diff --git a/security/capability.c b/security/capability.c
index 156816d451ba..3b5883b7179f 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -279,8 +279,7 @@ static int cap_path_truncate(struct path *path)
         return 0;
 }
 
-static int cap_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
-                          umode_t mode)
+static int cap_path_chmod(struct path *path, umode_t mode)
 {
         return 0;
 }
diff --git a/security/security.c b/security/security.c
index 151152de1a0a..214502c772ab 100644
--- a/security/security.c
+++ b/security/security.c
@@ -454,12 +454,11 @@ int security_path_truncate(struct path *path)
         return security_ops->path_truncate(path);
 }
 
-int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
-                        umode_t mode)
+int security_path_chmod(struct path *path, umode_t mode)
 {
-        if (unlikely(IS_PRIVATE(dentry->d_inode)))
+        if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
                 return 0;
-        return security_ops->path_chmod(dentry, mnt, mode);
+        return security_ops->path_chmod(path, mode);
 }
 
 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index 75c956a51e75..620d37c159a3 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -353,17 +353,14 @@ static int tomoyo_file_ioctl(struct file *file, unsigned int cmd,
 /**
  * tomoyo_path_chmod - Target for security_path_chmod().
  *
- * @dentry: Pointer to "struct dentry".
- * @mnt:    Pointer to "struct vfsmount".
- * @mode:   DAC permission mode.
+ * @path: Pointer to "struct path".
+ * @mode: DAC permission mode.
  *
  * Returns 0 on success, negative value otherwise.
  */
-static int tomoyo_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
-                             umode_t mode)
+static int tomoyo_path_chmod(struct path *path, umode_t mode)
 {
-        struct path path = { mnt, dentry };
-        return tomoyo_path_number_perm(TOMOYO_TYPE_CHMOD, &path,
+        return tomoyo_path_number_perm(TOMOYO_TYPE_CHMOD, path,
                                        mode & S_IALLUGO);
 }