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-rw-r--r--lib/genalloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 5ec83cd93284..0a1139644d32 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -576,7 +576,7 @@ unsigned long gen_pool_fixed_alloc(unsigned long *map, unsigned long size,
fixed_data = data;
order = pool->min_alloc_order;
offset_bit = fixed_data->offset >> order;
- if (WARN_ON(fixed_data->offset & (1UL << order - 1)))
+ if (WARN_ON(fixed_data->offset & ((1UL << order) - 1)))
return size;
start_bit = bitmap_find_next_zero_area(map, size,