linux/fs/super.c
Rafael J. Wysocki b107196729 fs: PM: Fix reverse check in filesystems_freeze_callback()
commit 222047f68e upstream.

The freeze_all_ptr check in filesystems_freeze_callback() introduced by
commit a3f8f86627 ("power: always freeze efivarfs") is reverse which
quite confusingly causes all file systems to be frozen when
filesystem_freeze_enabled is false.

On my systems it causes the WARN_ON_ONCE() in __set_task_frozen() to
trigger, most likely due to an attempt to freeze a file system that is
not ready for that.

Add a logical negation to the check in question to reverse it as
appropriate.

Fixes: a3f8f86627 ("power: always freeze efivarfs")
Cc: 6.18+ <stable@vger.kernel.org> # 6.18+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/12788397.O9o76ZdvQC@rafael.j.wysocki
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-01-02 12:57:09 +01:00

2276 lines
61 KiB