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security: remove sb_check_sb hooks

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Unused hook.  Remove it.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Eric Paris 2010-04-07 15:14:15 -04:00 committed by James Morris
parent c1a7368a6f
commit 353633100d
4 changed files with 0 additions and 30 deletions
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5
fs/namespace.c
View file

@ -1435,11 +1435,6 @@ static int graft_tree(struct vfsmount *mnt, struct path *path)
if (IS_DEADDIR(path->dentry->d_inode))
goto out_unlock;
err = security_sb_check_sb(mnt, path);
if (err)
goto out_unlock;
err = -ENOENT;
if (!d_unlinked(path->dentry))
err = attach_recursive_mnt(mnt, path, NULL);
out_unlock:

14
include/linux/security.h
View file

@ -267,12 +267,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* @orig the original mount data copied from userspace.
* @copy copied data which will be passed to the security module.
* Returns 0 if the copy was successful.
* @sb_check_sb:
* Check permission before the device with superblock @mnt->sb is mounted
* on the mount point named by @nd.
* @mnt contains the vfsmount for device being mounted.
* @path contains the path for the mount point.
* Return 0 if permission is granted.
* @sb_umount:
* Check permission before the @mnt file system is unmounted.
* @mnt contains the mounted file system.
@ -1484,7 +1478,6 @@ struct security_operations {
int (*sb_statfs) (struct dentry *dentry);
int (*sb_mount) (char *dev_name, struct path *path,
char *type, unsigned long flags, void *data);
int (*sb_check_sb) (struct vfsmount *mnt, struct path *path);
int (*sb_umount) (struct vfsmount *mnt, int flags);
void (*sb_umount_close) (struct vfsmount *mnt);
void (*sb_umount_busy) (struct vfsmount *mnt);
@ -1783,7 +1776,6 @@ int security_sb_show_options(struct seq_file *m, struct super_block *sb);
int security_sb_statfs(struct dentry *dentry);
int security_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags, void *data);
int security_sb_check_sb(struct vfsmount *mnt, struct path *path);
int security_sb_umount(struct vfsmount *mnt, int flags);
void security_sb_umount_close(struct vfsmount *mnt);
void security_sb_umount_busy(struct vfsmount *mnt);
@ -2099,12 +2091,6 @@ static inline int security_sb_mount(char *dev_name, struct path *path,
return 0;
}
static inline int security_sb_check_sb(struct vfsmount *mnt,
struct path *path)
{
return 0;
}
static inline int security_sb_umount(struct vfsmount *mnt, int flags)
{
return 0;

6
security/capability.c
View file

@ -80,11 +80,6 @@ static int cap_sb_mount(char *dev_name, struct path *path, char *type,
return 0;
}
static int cap_sb_check_sb(struct vfsmount *mnt, struct path *path)
{
return 0;
}
static int cap_sb_umount(struct vfsmount *mnt, int flags)
{
return 0;
@ -941,7 +936,6 @@ void security_fixup_ops(struct security_operations *ops)
set_to_cap_if_null(ops, sb_show_options);
set_to_cap_if_null(ops, sb_statfs);
set_to_cap_if_null(ops, sb_mount);
set_to_cap_if_null(ops, sb_check_sb);
set_to_cap_if_null(ops, sb_umount);
set_to_cap_if_null(ops, sb_umount_close);
set_to_cap_if_null(ops, sb_umount_busy);

5
security/security.c
View file

@ -306,11 +306,6 @@ int security_sb_mount(char *dev_name, struct path *path,
return security_ops->sb_mount(dev_name, path, type, flags, data);
}
int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
{
return security_ops->sb_check_sb(mnt, path);
}
int security_sb_umount(struct vfsmount *mnt, int flags)
{
return security_ops->sb_umount(mnt, flags);