diff --git a/lib/bitmap.c b/lib/bitmap.c
index c2f3807b360189611c8d6dd323d9f8519bfcc53e..faaf7206d4cf30adb268d329beb8c2814ddf760f 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -1154,8 +1154,7 @@ int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order)
 {
 	if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
 		return -EBUSY;
-	__reg_op(bitmap, pos, order, REG_OP_ALLOC);
-	return 0;
+	return __reg_op(bitmap, pos, order, REG_OP_ALLOC);
 }
 EXPORT_SYMBOL(bitmap_allocate_region);