[PATCH 16/62] md: Make mddev_suspend() easier to analyze

[Bart Van Assche <bvanassche@acm.org>]

Prepare for enabling Clang's thread-safety analysis by moving an
if-statement. No functionality has been changed.

Cc: Song Liu <song@kernel.org>
Cc: Yu Kuai <yukuai@fnnas.com>
Cc: linux-raid@vger.kernel.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/md/md.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 3ce6f9e9d38e..b0d260d03a7d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -475,12 +475,13 @@ int mddev_suspend(struct mddev *mddev, bool interruptible)
 	 */
 	lockdep_assert_not_held(&mddev->reconfig_mutex);
 
-	if (interruptible)
+	if (interruptible) {
 		err = mutex_lock_interruptible(&mddev->suspend_mutex);
-	else
+		if (err)
+			return err;
+	} else {
 		mutex_lock(&mddev->suspend_mutex);
-	if (err)
-		return err;
+	}
 
 	if (mddev->suspended) {
 		WRITE_ONCE(mddev->suspended, mddev->suspended + 1);