fs: reject invalid last mount id early
authorChristian Brauner <brauner@kernel.org>
Thu, 4 Jul 2024 08:58:35 +0000 (10:58 +0200)
committerChristian Brauner <brauner@kernel.org>
Mon, 8 Jul 2024 04:32:18 +0000 (06:32 +0200)
commit4bed843b10004d9101b49ac7270131051c39a92b
tree0d9c69d23046bd2741249171fe4f39a80e3e0b7f
parent80744d0e7a81c35795a2754049eafff76abbe371
fs: reject invalid last mount id early

Unique mount ids start past the last valid old mount id value to not
confuse the two. If a last mount id has been specified, reject any
invalid values early.

Link: https://lore.kernel.org/r/20240704-work-mount-fixes-v1-2-d007c990de5f@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
fs/namespace.c