From ad16087222262d7e66cc1ed3838264b84997323a Mon Sep 17 00:00:00 2001 From: Julian Wiedmann Date: Tue, 11 Jun 2019 18:37:50 +0200 Subject: [PATCH] s390/qeth: simplify DOWN state handling When the tear down sequence in qeth_l?_stop_card() has finished, the card is guaranteed to be in DOWN state and we don't have to check for it again. With this insight we can also remove the redundant setting of card->state in qeth_l?_set_online()'s error path. Signed-off-by: Julian Wiedmann Signed-off-by: David S. Miller --- drivers/s390/net/qeth_l2_main.c | 7 ++----- drivers/s390/net/qeth_l3_main.c | 7 ++----- 2 files changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index ff8a6cd..40e2f6b 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -292,11 +292,9 @@ static void qeth_l2_stop_card(struct qeth_card *card) qeth_clear_working_pool_list(card); card->state = CARD_STATE_DOWN; } - if (card->state == CARD_STATE_DOWN) { - qeth_clear_cmd_buffers(&card->read); - qeth_clear_cmd_buffers(&card->write); - } + qeth_clear_cmd_buffers(&card->read); + qeth_clear_cmd_buffers(&card->write); flush_workqueue(card->event_wq); card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; } @@ -882,7 +880,6 @@ out_remove: ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); qdio_free(CARD_DDEV(card)); - card->state = CARD_STATE_DOWN; mutex_unlock(&card->conf_mutex); mutex_unlock(&card->discipline_mutex); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 13bf3e2..99ca381 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1436,11 +1436,9 @@ static void qeth_l3_stop_card(struct qeth_card *card) qeth_clear_working_pool_list(card); card->state = CARD_STATE_DOWN; } - if (card->state == CARD_STATE_DOWN) { - qeth_clear_cmd_buffers(&card->read); - qeth_clear_cmd_buffers(&card->write); - } + qeth_clear_cmd_buffers(&card->read); + qeth_clear_cmd_buffers(&card->write); flush_workqueue(card->event_wq); } @@ -2420,7 +2418,6 @@ out_remove: ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); qdio_free(CARD_DDEV(card)); - card->state = CARD_STATE_DOWN; mutex_unlock(&card->conf_mutex); mutex_unlock(&card->discipline_mutex); -- 2.7.4