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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-03-28 14:32:06 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-03-28 14:32:06 +0100 |
| commit | 32aca03c2ce868d3412da0bb6ce6798c7bea357e (patch) | |
| tree | 01630dc4a6935df99bf7d11d34ff8d384fed86e2 /drivers/hv | |
| parent | cfbbc7703fff59c67761c93a8b1de29a79f9841c (diff) | |
| parent | 60771fc402877163d07569addadcf18b86acb455 (diff) | |
Merge tag 'v4.9.166' into 4.9-2.3.x-imx
This is the 4.9.166 stable release
Diffstat (limited to 'drivers/hv')
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 0276d2ef06ee..9a0d0d0ad6d0 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -317,6 +317,8 @@ static ssize_t out_intr_mask_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.current_interrupt_mask); } @@ -330,6 +332,8 @@ static ssize_t out_read_index_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.current_read_index); } @@ -344,6 +348,8 @@ static ssize_t out_write_index_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.current_write_index); } @@ -358,6 +364,8 @@ static ssize_t out_read_bytes_avail_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.bytes_avail_toread); } @@ -372,6 +380,8 @@ static ssize_t out_write_bytes_avail_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.bytes_avail_towrite); } @@ -385,6 +395,8 @@ static ssize_t in_intr_mask_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.current_interrupt_mask); } @@ -398,6 +410,8 @@ static ssize_t in_read_index_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.current_read_index); } @@ -411,6 +425,8 @@ static ssize_t in_write_index_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.current_write_index); } @@ -425,6 +441,8 @@ static ssize_t in_read_bytes_avail_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.bytes_avail_toread); } @@ -439,6 +457,8 @@ static ssize_t in_write_bytes_avail_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.bytes_avail_towrite); } |