linux-kernel - [PATCH 1/3] intel_idle: changing the continue to break in intel_idle_cpu

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <1362755024.31506.44.camel@cliu38-desktop-build>
Date:	Fri, 08 Mar 2013 23:03:44 +0800
From:	Chuansheng Liu <chuansheng.liu@...el.com>
To:	lenb@...nel.org
Cc:	daniel.lezcano@...aro.org, len.brown@...el.com,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	chuansheng.liu@...el.com
Subject: [PATCH 1/3] intel_idle: changing the continue to break in
 intel_idle_cpu_init()


According to commit e022e7eb9, the .enter == NULL is the last one in
state_tables[].

So just like intel_idle_cpuidle_driver_init(), in case of .enter == NULL,
breaking the for(;;) loop directly.

Signed-off-by: liu chuansheng <chuansheng.liu@...el.com>
---
 drivers/idle/intel_idle.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 5d66750..17c9cf9 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -610,7 +610,7 @@ static int intel_idle_cpu_init(int cpu)
 		int num_substates, mwait_hint, mwait_cstate, mwait_substate;
 
 		if (cpuidle_state_table[cstate].enter == NULL)
-			continue;
+			break;
 
 		if (cstate + 1 > max_cstate) {
 			printk(PREFIX "max_cstate %d reached\n", max_cstate);
-- 
1.7.0.4



--
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/