From ccb3851ce7d4b6c383470b9ed66f498eefe88d21 Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Tue, 28 Oct 2025 09:45:46 +0100 Subject: [PATCH] pidfs: use guard() for task_lock Use a guard(). Link: https://patch.msgid.link/20251028-work-coredump-signal-v1-1-ca449b7b7aa0@kernel.org Reviewed-by: Alexander Mikhalitsyn Reviewed-by: Oleg Nesterov Signed-off-by: Christian Brauner --- fs/pidfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/pidfs.c b/fs/pidfs.c index 0ef5b47d796a2..c2f0b7091cd7d 100644 --- a/fs/pidfs.c +++ b/fs/pidfs.c @@ -356,13 +356,12 @@ static long pidfd_info(struct file *file, unsigned int cmd, unsigned long arg) return -ESRCH; if ((kinfo.mask & PIDFD_INFO_COREDUMP) && !(kinfo.coredump_mask)) { - task_lock(task); + guard(task_lock)(task); if (task->mm) { unsigned long flags = __mm_flags_get_dumpable(task->mm); kinfo.coredump_mask = pidfs_coredump_mask(flags); } - task_unlock(task); } /* Unconditionally return identifiers and credentials, the rest only on request */ -- 2.47.3