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 <shangxiaojing@xxxxxxxxxx> --- Changelog: v3: the first version of the PATCH v1: v3 resent as v1 v2: use kfree_rcu() instead of kvfree_rcu() for clarity v4: resend v2 as v4 to avoid versioning confusion v5: add the rcu_head of fwtty_peer as the input param for wider usage --- 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 81b06d88ed0d..15e85fa8af07 100644 --- a/drivers/staging/fwserial/fwserial.c +++ b/drivers/staging/fwserial/fwserial.c @@ -2117,8 +2117,7 @@ static void fwserial_remove_peer(struct fwtty_peer *peer) if (port) fwserial_release_port(port, true); - synchronize_rcu(); - kfree(peer); + kfree_rcu(peer, rcu); } /** -- 2.17.1
