From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Fri, 28 Sep 2012 08:38:15 +0000 (+0200)
Subject: scatterlist: refactor the sg_nents
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=232f1b51062553b7cf49f99719fbd1b8a8d80f29;p=openwrt%2Fstaging%2Fblogic.git

scatterlist: refactor the sg_nents

Replace 'while' with 'for' as suggested by Tejun Heo

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 1bf60efb5e02..8cd2ced68f36 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -49,12 +49,9 @@ EXPORT_SYMBOL(sg_next);
  **/
 int sg_nents(struct scatterlist *sg)
 {
-	int nents = 0;
-	while (sg) {
+	int nents;
+	for (nents = 0; sg; sg = sg_next(sg))
 		nents++;
-		sg = sg_next(sg);
-	}
-
 	return nents;
 }
 EXPORT_SYMBOL(sg_nents);