From 2ac521d3325a24f01c1f1e86c74537b831d282c5 Mon Sep 17 00:00:00 2001 From: Rasmus Villemoes Date: Wed, 6 Aug 2014 16:10:18 -0700 Subject: [PATCH] lib: bitmap: micro-optimize bitmap_allocate_region __reg_op(..., REG_OP_ALLOC) always returns 0, so we might as well use that and save an instruction. Signed-off-by: Rasmus Villemoes Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- lib/bitmap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/bitmap.c b/lib/bitmap.c index c2f3807b3601..faaf7206d4cf 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); -- 2.30.2