diff options
| author | Greg Kroah-Hartman | 2019-01-28 08:22:00 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-01-28 08:22:00 +0100 |
| commit | 83b21ed0fc2a7b17c6b9d4f72f664841f797380b (patch) | |
| tree | 99272c0f69b8d762bf82400e6bdb84146b5baadb /drivers/s390 | |
| parent | c3fee60908db4a8594f2e4a2131998384b8fa006 (diff) | |
| parent | f17b5f06cb92ef2250513a1e154c47b78df07d40 (diff) | |
Merge 5.0-rc4 into tty-next
We need the tty and serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/sclp_config.c | 2 | ||||
| -rw-r--r-- | drivers/s390/virtio/virtio_ccw.c | 12 |
2 files changed, 11 insertions, 3 deletions
diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index 194ffd5c8580..039b2074db7e 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -60,7 +60,9 @@ static void sclp_cpu_capability_notify(struct work_struct *work) static void __ref sclp_cpu_change_notify(struct work_struct *work) { + lock_device_hotplug(); smp_rescan_cpus(); + unlock_device_hotplug(); } static void sclp_conf_receiver_fn(struct evbuf_header *evbuf) diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index fc9dbad476c0..ae1d56da671d 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c @@ -635,7 +635,7 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs, { struct virtio_ccw_device *vcdev = to_vc_device(vdev); unsigned long *indicatorp = NULL; - int ret, i; + int ret, i, queue_idx = 0; struct ccw1 *ccw; ccw = kzalloc(sizeof(*ccw), GFP_DMA | GFP_KERNEL); @@ -643,8 +643,14 @@ static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs, return -ENOMEM; for (i = 0; i < nvqs; ++i) { - vqs[i] = virtio_ccw_setup_vq(vdev, i, callbacks[i], names[i], - ctx ? ctx[i] : false, ccw); + if (!names[i]) { + vqs[i] = NULL; + continue; + } + + vqs[i] = virtio_ccw_setup_vq(vdev, queue_idx++, callbacks[i], + names[i], ctx ? ctx[i] : false, + ccw); if (IS_ERR(vqs[i])) { ret = PTR_ERR(vqs[i]); vqs[i] = NULL; |