mount: ensure we don't pointlessly walk the mount tree
authorChristian Brauner <brauner@kernel.org>
Wed, 9 Apr 2025 08:00:23 +0000 (10:00 +0200)
committerChristian Brauner <brauner@kernel.org>
Fri, 11 Apr 2025 13:24:29 +0000 (15:24 +0200)
commitd43dbf7322a356733b3e3a997cad51dce174d83c
tree92742a40ff28543b52ed1c0a803fd9e15fbea2b7
parentb2b4483b5d05026218127fc8f38c69adf69c235b
mount: ensure we don't pointlessly walk the mount tree

This logic got broken recently. Add it back.

Fixes: 474f7825d533 ("fs: add copy_mount_setattr() helper")
Link: https://lore.kernel.org/20250409-sektflaschen-gecko-27c021fbd222@brauner
Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
fs/namespace.c