diff options
Diffstat (limited to 'drivers/hv')
| -rw-r--r-- | drivers/hv/channel.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 406537420fff..f4c3d28cd1fc 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -146,14 +146,14 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, if (ret != 0) { err = ret; - goto errorout; + goto error0; } ret = hv_ringbuffer_init( &newchannel->inbound, in, recv_ringbuffer_size); if (ret != 0) { err = ret; - goto errorout; + goto error0; } @@ -168,7 +168,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, if (ret != 0) { err = ret; - goto errorout; + goto error0; } /* Create and init the channel open message */ @@ -177,7 +177,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, GFP_KERNEL); if (!open_info) { err = -ENOMEM; - goto errorout; + goto error0; } init_completion(&open_info->waitevent); @@ -193,7 +193,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, if (userdatalen > MAX_USER_DEFINED_BYTES) { err = -EINVAL; - goto errorout; + goto error0; } if (userdatalen) @@ -208,19 +208,18 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, sizeof(struct vmbus_channel_open_channel)); if (ret != 0) - goto cleanup; + goto error1; t = wait_for_completion_timeout(&open_info->waitevent, 5*HZ); if (t == 0) { err = -ETIMEDOUT; - goto errorout; + goto error1; } if (open_info->response.open_result.status) err = open_info->response.open_result.status; -cleanup: spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_del(&open_info->msglistentry); spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); @@ -228,9 +227,12 @@ cleanup: kfree(open_info); return err; -errorout: - hv_ringbuffer_cleanup(&newchannel->outbound); - hv_ringbuffer_cleanup(&newchannel->inbound); +error1: + spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); + list_del(&open_info->msglistentry); + spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); + +error0: free_pages((unsigned long)out, get_order(send_ringbuffer_size + recv_ringbuffer_size)); kfree(open_info); |