diff options
Diffstat (limited to 'drivers/hv/channel.c')
| -rw-r--r-- | drivers/hv/channel.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index e57cc40cb768..63ac1c6a825f 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -177,6 +177,11 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, &vmbus_connection.chn_msg_list); spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); + if (newchannel->rescind) { + err = -ENODEV; + goto error_free_gpadl; + } + ret = vmbus_post_msg(open_msg, sizeof(struct vmbus_channel_open_channel), true); @@ -421,6 +426,11 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); + if (channel->rescind) { + ret = -ENODEV; + goto cleanup; + } + ret = vmbus_post_msg(gpadlmsg, msginfo->msgsize - sizeof(*msginfo), true); if (ret != 0) @@ -494,6 +504,10 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, u32 gpadl_handle) list_add_tail(&info->msglistentry, &vmbus_connection.chn_msg_list); spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); + + if (channel->rescind) + goto post_msg_err; + ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_gpadl_teardown), true); |