From 7cbe4afe854a9a352d9562106449bc55d17d5e5b Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Thu, 26 Jun 2014 10:48:56 +0200 Subject: s390/3270: correct size detection with the read-partition command The size detection for 3270 terminals with the read-partition command is broken. The raw3270_reset_device_cb function clears the init_data array, but if raw3270_writesf_readpart has been called the read-partition command is queued which needs the init_data array. In this case the size detection will fail and the invalid command does funny things to the terminal. Signed-off-by: Martin Schwidefsky --- drivers/s390/char/raw3270.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 15b3459f8656..220acb4cbee5 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -633,7 +633,6 @@ raw3270_reset_device_cb(struct raw3270_request *rq, void *data) } else raw3270_writesf_readpart(rp); memset(&rp->init_reset, 0, sizeof(rp->init_reset)); - memset(&rp->init_data, 0, sizeof(rp->init_data)); } static int -- cgit v1.2.2 From 666e68e0dde826ae146b980099f1719f74fa968c Mon Sep 17 00:00:00 2001 From: Ingo Tuchscherer Date: Mon, 14 Jul 2014 19:11:48 +0200 Subject: s390/zcrypt: improve device probing for zcrypt adapter cards Improve device probing process for zcrypt adapters to transmit service request during registration process. Signed-off-by: Ingo Tuchscherer Signed-off-by: Martin Schwidefsky --- drivers/s390/crypto/ap_bus.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 69ef4f8cfac8..4038437ff033 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -901,10 +901,15 @@ static int ap_device_probe(struct device *dev) int rc; ap_dev->drv = ap_drv; + + spin_lock_bh(&ap_device_list_lock); + list_add(&ap_dev->list, &ap_device_list); + spin_unlock_bh(&ap_device_list_lock); + rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV; - if (!rc) { + if (rc) { spin_lock_bh(&ap_device_list_lock); - list_add(&ap_dev->list, &ap_device_list); + list_del_init(&ap_dev->list); spin_unlock_bh(&ap_device_list_lock); } return rc; -- cgit v1.2.2