linux-kernel - [PATCH -v3 21/23] net/core: remove duplicate statements by do-while loop

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Message-Id: <1362401911-14074-22-git-send-email-akinobu.mita@gmail.com>
Date:	Mon,  4 Mar 2013 21:58:29 +0900
From:	Akinobu Mita <akinobu.mita@...il.com>
To:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Cc:	Akinobu Mita <akinobu.mita@...il.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH -v3 21/23] net/core: remove duplicate statements by do-while loop

Remove duplicate statements by using do-while loop instead of while loop.

- A;
- while (e) {
+ do {
	A;
- }
+ } while (e);

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org
---

No change from v2

 net/core/pktgen.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 4582275..5c21742 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2396,18 +2396,15 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
 				__be32 s;
 				if (pkt_dev->flags & F_IPDST_RND) {
 
-					t = prandom_u32() % (imx - imn) + imn;
-					s = htonl(t);
-
-					while (ipv4_is_loopback(s) ||
-					       ipv4_is_multicast(s) ||
-					       ipv4_is_lbcast(s) ||
-					       ipv4_is_zeronet(s) ||
-					       ipv4_is_local_multicast(s)) {
+					do {
 						t = prandom_u32() %
 							(imx - imn) + imn;
 						s = htonl(t);
-					}
+					} while (ipv4_is_loopback(s) ||
+						ipv4_is_multicast(s) ||
+						ipv4_is_lbcast(s) ||
+						ipv4_is_zeronet(s) ||
+						ipv4_is_local_multicast(s));
 					pkt_dev->cur_daddr = s;
 				} else {
 					t = ntohl(pkt_dev->cur_daddr);
-- 
1.8.1.2

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