linux-kernel - [PATCH] drivers/block/swim: use current->state helpers

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>] [day] [month] [year] [list]

Message-ID: <1422267197.24914.13.camel@stgolabs.net>
Date:	Mon, 26 Jan 2015 02:13:17 -0800
From:	Davidlohr Bueso <dave@...olabs.net>
To:	Jens Axboe <axboe@...com>
Cc:	linux-kernel@...r.kernel.org, Davidlohr Bueso <dave@...olabs.net>
Subject: [PATCH] drivers/block/swim: use current->state helpers

Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments,
keeping track of who changed the state.

Signed-off-by: Davidlohr Bueso <dbueso@...e.de>
---
 drivers/block/swim.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index b5afd49..1a0b395 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -331,7 +331,7 @@ static inline void swim_motor(struct swim __iomem *base,
 			swim_select(base, RELAX);
 			if (swim_readbit(base, MOTOR_ON))
 				break;
-			current->state = TASK_INTERRUPTIBLE;
+			__set_current_state(TASK_INTERRUPTIBLE);
 			schedule_timeout(1);
 		}
 	} else if (action == OFF) {
@@ -350,7 +350,7 @@ static inline void swim_eject(struct swim __iomem *base)
 		swim_select(base, RELAX);
 		if (!swim_readbit(base, DISK_IN))
 			break;
-		current->state = TASK_INTERRUPTIBLE;
+		__set_current_state(TASK_INTERRUPTIBLE);
 		schedule_timeout(1);
 	}
 	swim_select(base, RELAX);
@@ -374,7 +374,7 @@ static inline int swim_step(struct swim __iomem *base)
 
 	for (wait = 0; wait < HZ; wait++) {
 
-		current->state = TASK_INTERRUPTIBLE;
+		__set_current_state(TASK_INTERRUPTIBLE);
 		schedule_timeout(1);
 
 		swim_select(base, RELAX);
-- 
2.1.2



--
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/