torture: Save a line in stutter_wait(): while -> for

paulmck · paulmck · commit 29d393908458 · 2017-12-11T09:18:30.000-08:00
Signed-off-by: Paul E. McKenney &lt;paulmck@linux.vnet.ibm.com&gt;
diff --git a/kernel/torture.c b/kernel/torture.c
@@ -576,7 +576,7 @@ void stutter_wait(const char *title)
 
 	cond_resched_rcu_qs();
 	spt = READ_ONCE(stutter_pause_test);
-	while (spt) {
+	for (; spt; spt = READ_ONCE(stutter_pause_test)) {
 		if (spt == 1) {
 			schedule_timeout_interruptible(1);
 		} else if (spt == 2) {
@@ -586,7 +586,6 @@ void stutter_wait(const char *title)
 			schedule_timeout_interruptible(round_jiffies_relative(HZ));
 		}
 		torture_shutdown_absorb(title);
-		spt = READ_ONCE(stutter_pause_test);
 	}
 }
 EXPORT_SYMBOL_GPL(stutter_wait);

Original file line number	Diff line number	Diff line change
`@@ -576,7 +576,7 @@ void stutter_wait(const char *title)`
`576`	`576`
`577`	`577`	`cond_resched_rcu_qs();`
`578`	`578`	`spt = READ_ONCE(stutter_pause_test);`
`579`		`- while (spt) {`
	`579`	`+ for (; spt; spt = READ_ONCE(stutter_pause_test)) {`
`580`	`580`	`if (spt == 1) {`
`581`	`581`	`schedule_timeout_interruptible(1);`
`582`	`582`	`} else if (spt == 2) {`
`@@ -586,7 +586,6 @@ void stutter_wait(const char *title)`
`586`	`586`	`schedule_timeout_interruptible(round_jiffies_relative(HZ));`
`587`	`587`	`}`
`588`	`588`	`torture_shutdown_absorb(title);`
`589`		`- spt = READ_ONCE(stutter_pause_test);`
`590`	`589`	`}`
`591`	`590`	`}`
`592`	`591`	`EXPORT_SYMBOL_GPL(stutter_wait);`