security: remove dead hook sb_umount_busy
Unused hook. Remove.
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/fs/namespace.c b/fs/namespace.c
index 8aea78c..6c9ca73 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1116,8 +1116,6 @@
retval = 0;
}
spin_unlock(&vfsmount_lock);
- if (retval)
- security_sb_umount_busy(mnt);
up_write(&namespace_sem);
release_mounts(&umount_list);
return retval;
diff --git a/include/linux/security.h b/include/linux/security.h
index 354b0ce..b206795 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -272,12 +272,6 @@
* @mnt contains the mounted file system.
* @flags contains the unmount flags, e.g. MNT_FORCE.
* Return 0 if permission is granted.
- * @sb_umount_busy:
- * Handle a failed umount of the @mnt mounted filesystem, e.g. re-opening
- * any files that were closed by umount_close. This hook is called during
- * an umount operation if the umount fails after a call to the
- * umount_close hook.
- * @mnt contains the mounted filesystem.
* @sb_post_remount:
* Update the security module's state when a filesystem is remounted.
* This hook is only called if the remount was successful.
@@ -1474,7 +1468,6 @@
int (*sb_mount) (char *dev_name, struct path *path,
char *type, unsigned long flags, void *data);
int (*sb_umount) (struct vfsmount *mnt, int flags);
- void (*sb_umount_busy) (struct vfsmount *mnt);
void (*sb_post_remount) (struct vfsmount *mnt,
unsigned long flags, void *data);
void (*sb_post_addmount) (struct vfsmount *mnt,
@@ -1771,7 +1764,6 @@
int security_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags, void *data);
int security_sb_umount(struct vfsmount *mnt, int flags);
-void security_sb_umount_busy(struct vfsmount *mnt);
void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data);
void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint);
int security_sb_pivotroot(struct path *old_path, struct path *new_path);
@@ -2089,9 +2081,6 @@
return 0;
}
-static inline void security_sb_umount_busy(struct vfsmount *mnt)
-{ }
-
static inline void security_sb_post_remount(struct vfsmount *mnt,
unsigned long flags, void *data)
{ }
diff --git a/security/capability.c b/security/capability.c
index db72f4f..476d430 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -85,10 +85,6 @@
return 0;
}
-static void cap_sb_umount_busy(struct vfsmount *mnt)
-{
-}
-
static void cap_sb_post_remount(struct vfsmount *mnt, unsigned long flags,
void *data)
{
@@ -933,7 +929,6 @@
set_to_cap_if_null(ops, sb_statfs);
set_to_cap_if_null(ops, sb_mount);
set_to_cap_if_null(ops, sb_umount);
- set_to_cap_if_null(ops, sb_umount_busy);
set_to_cap_if_null(ops, sb_post_remount);
set_to_cap_if_null(ops, sb_post_addmount);
set_to_cap_if_null(ops, sb_pivotroot);
diff --git a/security/security.c b/security/security.c
index 591c25f..c1341fb 100644
--- a/security/security.c
+++ b/security/security.c
@@ -311,11 +311,6 @@
return security_ops->sb_umount(mnt, flags);
}
-void security_sb_umount_busy(struct vfsmount *mnt)
-{
- security_ops->sb_umount_busy(mnt);
-}
-
void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
{
security_ops->sb_post_remount(mnt, flags, data);