[PATCH 2/5] md/raid5: use max() in raid5_calc_degraded()

The tail of raid5_calc_degraded() open-codes a max of the two computed
degraded counts. Use max() for clarity.

No functional change.

Assisted-by: Claude:claude-opus-4-8 [Claude Code]
Signed-off-by: Hiroshi Nishida <[email protected]>
---
 drivers/md/raid5.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 0c5c9fb0606e..2b2aa4f2431c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -741,9 +741,7 @@ int raid5_calc_degraded(struct r5conf *conf)
 			if (conf->raid_disks <= conf->previous_raid_disks)
 				degraded2++;
 	}
-	if (degraded2 > degraded)
-		return degraded2;
-	return degraded;
+	return max(degraded, degraded2);
 }
 
 static bool has_failed(struct r5conf *conf)
-- 
2.43.0