diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index a2c7abf8c289efa8b4a0f132a0e4f322ce126bf6..7301da7244e818a2807497c5ab90446d52c2638c 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -96,7 +96,6 @@ static void hv_uio_channel_cb(void *context) struct hv_device *hv_dev = chan->device_obj; struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev); - chan->inbound.ring_buffer->interrupt_mask = 1; virt_mb(); uio_event_notify(&pdata->info); @@ -173,8 +172,6 @@ hv_uio_new_channel(struct vmbus_channel *new_sc) return; } - /* Disable interrupts on sub channel */ - new_sc->inbound.ring_buffer->interrupt_mask = 1; set_channel_read_mode(new_sc, HV_CALL_ISR); ret = sysfs_create_bin_file(&new_sc->kobj, &ring_buffer_bin_attr); @@ -218,9 +215,7 @@ hv_uio_open(struct uio_info *info, struct inode *inode) ret = vmbus_connect_ring(dev->channel, hv_uio_channel_cb, dev->channel); - if (ret == 0) - dev->channel->inbound.ring_buffer->interrupt_mask = 1; - else + if (ret) atomic_dec(&pdata->refcnt); return ret;