[tip: sched/core] sched/core: Use -EINVAL in sched_dynamic_mode()

["tip-bot2 for Rasmus Villemoes" <tip-bot2@linutronix.de>]

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     c4681f3f1cfcfde0c95ff72f0bdb43f9ffd7f00e
Gitweb:        https://git.kernel.org/tip/c4681f3f1cfcfde0c95ff72f0bdb43f9ffd7f00e
Author:        Rasmus Villemoes <linux@rasmusvillemoes.dk>
AuthorDate:    Thu, 25 Mar 2021 01:45:15 +01:00
Committer:     Ingo Molnar <mingo@kernel.org>
CommitterDate: Thu, 25 Mar 2021 11:39:13 +01:00

sched/core: Use -EINVAL in sched_dynamic_mode()

-1 is -EPERM which is a somewhat odd error to return from
sched_dynamic_write(). No other callers care about which negative
value is used.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: https://lore.kernel.org/r/20210325004515.531631-2-linux@rasmusvillemoes.dk
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1fe9d3f..95bd6ab 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5384,7 +5384,7 @@ static int sched_dynamic_mode(const char *str)
 	if (!strcmp(str, "full"))
 		return preempt_dynamic_full;
 
-	return -1;
+	return -EINVAL;
 }
 
 static void sched_dynamic_update(int mode)