[PATCH 01/22] pidfs: use guard() for task_lock

[Christian Brauner]

Use a guard().

Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
---
 fs/pidfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/pidfs.c b/fs/pidfs.c
index 0ef5b47d796a..c2f0b7091cd7 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