_reg_op(REG_OP_ALLOC) duplicates bitmap_set(). Drop it.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
 lib/bitmap.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/bitmap.c b/lib/bitmap.c
index 0bed9d943d96..346b848170e4 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -1352,9 +1352,12 @@ EXPORT_SYMBOL(bitmap_release_region);
  */
 int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order)
 {
+	unsigned int nbits = pos + BIT(order);
+
 	if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
 		return -EBUSY;
-	return __reg_op(bitmap, pos, order, REG_OP_ALLOC);
+	bitmap_set(bitmap, pos, nbits);
+	return 0;
 }
 EXPORT_SYMBOL(bitmap_allocate_region);
 
-- 
2.39.2