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-rw-r--r--lib/assoc_array.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/assoc_array.c b/lib/assoc_array.c
index c6659cb37033..59875eb278ea 100644
--- a/lib/assoc_array.c
+++ b/lib/assoc_array.c
@@ -768,9 +768,11 @@ all_leaves_cluster_together:
new_s0->index_key[i] =
ops->get_key_chunk(index_key, i * ASSOC_ARRAY_KEY_CHUNK_SIZE);
- blank = ULONG_MAX << (level & ASSOC_ARRAY_KEY_CHUNK_MASK);
- pr_devel("blank off [%zu] %d: %lx\n", keylen - 1, level, blank);
- new_s0->index_key[keylen - 1] &= ~blank;
+ if (level & ASSOC_ARRAY_KEY_CHUNK_MASK) {
+ blank = ULONG_MAX << (level & ASSOC_ARRAY_KEY_CHUNK_MASK);
+ pr_devel("blank off [%zu] %d: %lx\n", keylen - 1, level, blank);
+ new_s0->index_key[keylen - 1] &= ~blank;
+ }
/* This now reduces to a node splitting exercise for which we'll need
* to regenerate the disparity table.