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Commit 35363310 authored by Eric Paris's avatar Eric Paris Committed by James Morris
Browse files

security: remove sb_check_sb hooks 



Unused hook.  Remove it.

Signed-off-by: default avatarEric Paris <eparis@redhat.com>
Signed-off-by: default avatarJames Morris <jmorris@namei.org>
parent c1a7368a

fs/namespace.c

+0 −5
Original line number Diff line number Diff line
@@ -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:

include/linux/security.h

+0 −14
Original line number Diff line number Diff line
@@ -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;

security/capability.c

+0 −6
Original line number Diff line number Diff line
@@ -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);

security/security.c

+0 −5
Original line number Diff line number Diff line
@@ -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);