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-next>] [day] [month] [year] [list]
Message-Id: <20241118111314.58481-1-dheeraj.linuxdev@gmail.com>
Date: Mon, 18 Nov 2024 16:43:14 +0530
From: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@...il.com>
To: mingo@...hat.com,
	peterz@...radead.org,
	juri.lelli@...hat.com,
	vincent.guittot@...aro.org,
	linux-kernel@...r.kernel.org
Cc: dietmar.eggemann@....com,
	rostedt@...dmis.org,
	bsegall@...gle.com,
	mgorman@...e.de,
	vschneid@...hat.com,
	Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@...il.com>
Subject: [PATCH sched-next] sched/cputime: Fix unused value issue

This commit fixes an unused value issue detected by Coverity
(CID 1357987). The value of utime is updated but has no use as it is
updated later on without using the stored value.

Signed-off-by: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@...il.com>
---
 kernel/sched/cputime.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 0bed0fa1acd9..3dea3636a260 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -571,13 +571,9 @@ void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev,
 	 * Once a task gets some ticks, the monotonicity code at 'update:'
 	 * will ensure things converge to the observed ratio.
 	 */
-	if (stime == 0) {
-		utime = rtime;
-		goto update;
-	}
-
-	if (utime == 0) {
-		stime = rtime;
+	if (stime == 0 || utime == 0) {
+		if (utime == 0)
+			stime = rtime;
 		goto update;
 	}
 
-- 
2.34.1


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ