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path: root/drivers/hv/vmbus_drv.c
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Diffstat (limited to 'drivers/hv/vmbus_drv.c')
-rw-r--r--drivers/hv/vmbus_drv.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index bf421e0efa1..a2464bf07c4 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -434,7 +434,7 @@ static void vmbus_on_msg_dpc(unsigned long data)
* will not deliver any more messages since there is
* no empty slot
*/
- smp_mb();
+ mb();
if (msg->header.message_flags.msg_pending) {
/*
@@ -563,6 +563,9 @@ static int vmbus_bus_init(int irq)
*/
hv_register_vmbus_handler(irq, vmbus_isr);
+ ret = hv_synic_alloc();
+ if (ret)
+ goto err_alloc;
/*
* Initialize the per-cpu interrupt state and
* connect to the host.
@@ -570,13 +573,14 @@ static int vmbus_bus_init(int irq)
on_each_cpu(hv_synic_init, NULL, 1);
ret = vmbus_connect();
if (ret)
- goto err_irq;
+ goto err_alloc;
vmbus_request_offers();
return 0;
-err_irq:
+err_alloc:
+ hv_synic_free();
free_irq(irq, hv_acpi_dev);
err_unregister: