linux-kernel - [PATCHv3 11/16] pps: simplify conditions a bit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <3eb2789176f3d6f25373b31c82ed2d2a1bc84e09.1280952801.git.lasaine@lvk.cs.msu.su>
Date:	Thu,  5 Aug 2010 01:06:48 +0400
From:	Alexander Gordeev <lasaine@....cs.msu.su>
To:	linux-kernel@...r.kernel.org
Cc:	"Nikita V\. Youshchenko" <yoush@...msu.su>,
	linuxpps@...enneenne.com, Rodolfo Giometti <giometti@...eenne.com>,
	john stultz <johnstul@...ibm.com>,
	Alexander Gordeev <lasaine@....cs.msu.su>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>
Subject: [PATCHv3 11/16] pps: simplify conditions a bit

Bitwise conjunction is distributive so we can simplify some conditions.

Signed-off-by: Alexander Gordeev <lasaine@....cs.msu.su>
---
 drivers/pps/kapi.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/pps/kapi.c b/drivers/pps/kapi.c
index 220ab08..0335b2c 100644
--- a/drivers/pps/kapi.c
+++ b/drivers/pps/kapi.c
@@ -180,8 +180,7 @@ void pps_event(struct pps_device *pps, struct pps_event_time *ts, int event,
 
 	/* Check the event */
 	pps->current_mode = pps->params.mode;
-	if ((event & PPS_CAPTUREASSERT) &
-			(pps->params.mode & PPS_CAPTUREASSERT)) {
+	if (event & pps->params.mode & PPS_CAPTUREASSERT) {
 		/* We have to add an offset? */
 		if (pps->params.mode & PPS_OFFSETASSERT)
 			pps_add_offset(&ts_real,
@@ -195,8 +194,7 @@ void pps_event(struct pps_device *pps, struct pps_event_time *ts, int event,
 
 		captured = ~0;
 	}
-	if ((event & PPS_CAPTURECLEAR) &
-			(pps->params.mode & PPS_CAPTURECLEAR)) {
+	if (event & pps->params.mode & PPS_CAPTURECLEAR) {
 		/* We have to add an offset? */
 		if (pps->params.mode & PPS_OFFSETCLEAR)
 			pps_add_offset(&ts_real,
-- 
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/