From: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> After the channel is rescinded, the host does not read from the rescinded channel. Fail writes to a channel that has already been rescinded. Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> --- drivers/hv/ring_buffer.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index cd49cb1..72f649d 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -298,6 +298,9 @@ int hv_ringbuffer_write(struct vmbus_channel *channel, unsigned long flags = 0; struct hv_ring_buffer_info *outring_info = &channel->outbound; + if (channel->rescind) + return -ENODEV; + for (i = 0; i < kv_count; i++) totalbytes_towrite += kv_list[i].iov_len; -- 1.7.4.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
