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-rw-r--r--lib/maple_tree.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 7e3cf5b7e68b..5804c5997598 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4732,6 +4732,11 @@ static inline void *mas_next_entry(struct ma_state *mas, unsigned long limit)
unsigned long last;
enum maple_type mt;
+ if (mas->index > limit) {
+ mas->index = mas->last = limit;
+ mas_pause(mas);
+ return NULL;
+ }
last = mas->last;
retry:
offset = mas->offset;
@@ -4838,6 +4843,11 @@ static inline void *mas_prev_entry(struct ma_state *mas, unsigned long min)
{
void *entry;
+ if (mas->index < min) {
+ mas->index = mas->last = min;
+ mas_pause(mas);
+ return NULL;
+ }
retry:
while (likely(!mas_is_none(mas))) {
entry = mas_prev_nentry(mas, min, mas->index);