From 74adc1f005e6c28f9019ae49cb5f2796e532f25e Mon Sep 17 00:00:00 2001 From: Shang XiaoJing Date: Tue, 20 Sep 2022 21:51:45 +0800 Subject: [PATCH] staging: fwserial: Switch to kfree_rcu() API Instead of invoking a synchronize_rcu() to free a pointer after a grace period, we can directly make use of a new API that does the same but in a more efficient way. Signed-off-by: Shang XiaoJing Link: https://lore.kernel.org/r/20220920135145.1387-1-shangxiaojing@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/fwserial/fwserial.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c index e8fa7f53cd5ee..3134b13081af5 100644 --- a/drivers/staging/fwserial/fwserial.c +++ b/drivers/staging/fwserial/fwserial.c @@ -2116,8 +2116,7 @@ static void fwserial_remove_peer(struct fwtty_peer *peer) if (port) fwserial_release_port(port, true); - synchronize_rcu(); - kfree(peer); + kfree_rcu(peer); } /** -- 2.30.2