[PATCH 01/12] maple_tree: Remove unnecessary default labels from switch statements

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Removing the default types from the switch statements will cause compile
warnings on missing cases.

Suggested-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
 lib/maple_tree.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 0e00a84e8e8f..0fcbfa7e9942 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -759,7 +759,6 @@ static inline void mte_set_pivot(struct maple_enode *mn, unsigned char piv,
 
 	BUG_ON(piv >= mt_pivots[type]);
 	switch (type) {
-	default:
 	case maple_range_64:
 	case maple_leaf_64:
 		node->mr64.pivot[piv] = val;
@@ -783,7 +782,6 @@ static inline void mte_set_pivot(struct maple_enode *mn, unsigned char piv,
 static inline void __rcu **ma_slots(struct maple_node *mn, enum maple_type mt)
 {
 	switch (mt) {
-	default:
 	case maple_arange_64:
 		return mn->ma64.slot;
 	case maple_range_64:
@@ -792,6 +790,8 @@ static inline void __rcu **ma_slots(struct maple_node *mn, enum maple_type mt)
 	case maple_dense:
 		return mn->slot;
 	}
+
+	return NULL;
 }
 
 static inline bool mt_write_locked(const struct maple_tree *mt)
@@ -6718,7 +6718,6 @@ static void mt_dump_range(unsigned long min, unsigned long max,
 		else
 			pr_info("%.*s%lx-%lx: ", depth * 2, spaces, min, max);
 		break;
-	default:
 	case mt_dump_dec:
 		if (min == max)
 			pr_info("%.*s%lu: ", depth * 2, spaces, min);
@@ -6758,7 +6757,6 @@ static void mt_dump_range64(const struct maple_tree *mt, void *entry,
 		case mt_dump_hex:
 			pr_cont("%p %lX ", node->slot[i], node->pivot[i]);
 			break;
-		default:
 		case mt_dump_dec:
 			pr_cont("%p %lu ", node->slot[i], node->pivot[i]);
 		}
@@ -6788,7 +6786,6 @@ static void mt_dump_range64(const struct maple_tree *mt, void *entry,
 				pr_err("node %p last (%lx) > max (%lx) at pivot %d!\n",
 					node, last, max, i);
 				break;
-			default:
 			case mt_dump_dec:
 				pr_err("node %p last (%lu) > max (%lu) at pivot %d!\n",
 					node, last, max, i);
@@ -6813,7 +6810,6 @@ static void mt_dump_arange64(const struct maple_tree *mt, void *entry,
 		case mt_dump_hex:
 			pr_cont("%lx ", node->gap[i]);
 			break;
-		default:
 		case mt_dump_dec:
 			pr_cont("%lu ", node->gap[i]);
 		}
@@ -6824,7 +6820,6 @@ static void mt_dump_arange64(const struct maple_tree *mt, void *entry,
 		case mt_dump_hex:
 			pr_cont("%p %lX ", node->slot[i], node->pivot[i]);
 			break;
-		default:
 		case mt_dump_dec:
 			pr_cont("%p %lu ", node->slot[i], node->pivot[i]);
 		}
-- 
2.40.1





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