preempt/dynamic: Fix setup_preempt_mode() return value

__setup() callbacks expect 1 for success and 0 for failure. Correct the usage here to reflect that. Fixes: 826bfeb ("preempt/dynamic: Support dynamic preempt with preempt= boot option") Reported-by: Mark Rutland <[email protected]> Signed-off-by: Andrew Halaney <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
ambv · Dec 4, 2021 · 9ed20ba · 9ed20ba
1 parent e7f2be1
commit 9ed20ba
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
@@ -6617,11 +6617,11 @@ static int __init setup_preempt_mode(char *str)
 	int mode = sched_dynamic_mode(str);
 	if (mode < 0) {
 		pr_warn("Dynamic Preempt: unsupported mode: %s\n", str);
-		return 1;
+		return 0;
 	}
 
 	sched_dynamic_update(mode);
-	return 0;
+	return 1;
 }
 __setup("preempt=", setup_preempt_mode);