diff options
| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2011-07-08 13:25:53 +0900 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-07-11 11:05:34 +1000 |
| commit | 97fb35e413f256ded07b88c73b3d932ec31ea84e (patch) | |
| tree | d16cb1dcb6d16938aa01c071fdcd1cbbf85b5153 /security/tomoyo/mount.c | |
| parent | 5b636857fee642694e287e3a181b523b16098c93 (diff) | |
| download | linux-97fb35e413f256ded07b88c73b3d932ec31ea84e.tar.gz | |
TOMOYO: Enable conditional ACL.
Enable conditional ACL by passing object's pointers. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/tomoyo/mount.c')
| -rw-r--r-- | security/tomoyo/mount.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c index 0bbba8b67821..408385307470 100644 --- a/security/tomoyo/mount.c +++ b/security/tomoyo/mount.c @@ -75,6 +75,7 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name, struct path *dir, const char *type, unsigned long flags) { + struct tomoyo_obj_info obj = { }; struct path path; struct file_system_type *fstype = NULL; const char *requested_type = NULL; @@ -85,6 +86,7 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name, struct tomoyo_path_info rdir; int need_dev = 0; int error = -ENOMEM; + r->obj = &obj; /* Get fstype. */ requested_type = tomoyo_encode(type); @@ -94,6 +96,7 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name, tomoyo_fill_path_info(&rtype); /* Get mount point. */ + obj.path2 = *dir; requested_dir_name = tomoyo_realpath_from_path(dir); if (!requested_dir_name) { error = -ENOMEM; @@ -129,8 +132,8 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name, error = -ENOENT; goto out; } + obj.path1 = path; requested_dev_name = tomoyo_realpath_from_path(&path); - path_put(&path); if (!requested_dev_name) { error = -ENOENT; goto out; @@ -163,6 +166,9 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name, if (fstype) put_filesystem(fstype); kfree(requested_type); + /* Drop refcount obtained by kern_path(). */ + if (obj.path1.dentry) + path_put(&obj.path1); return error; } |