Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[~andy/linux] / drivers / hv / connection.c

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 936093e0271e3c7fffccce7fe0e688c4d6f3ad01..af6edf9b19365a4938ca16f6a913a08cc6a35fa7 100644 (file)
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -76,10 +76,8 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo,
        msg->header.msgtype = CHANNELMSG_INITIATE_CONTACT;
        msg->vmbus_version_requested = version;
        msg->interrupt_page = virt_to_phys(vmbus_connection.int_page);
-       msg->monitor_page1 = virt_to_phys(vmbus_connection.monitor_pages);
-       msg->monitor_page2 = virt_to_phys(
-                       (void *)((unsigned long)vmbus_connection.monitor_pages +
-                                PAGE_SIZE));
+       msg->monitor_page1 = virt_to_phys(vmbus_connection.monitor_pages[0]);
+       msg->monitor_page2 = virt_to_phys(vmbus_connection.monitor_pages[1]);
 
        /*
         * Add to list before we send the request since we may
@@ -169,9 +167,10 @@ int vmbus_connect(void)
         * Setup the monitor notification facility. The 1st page for
         * parent->child and the 2nd page for child->parent
         */
-       vmbus_connection.monitor_pages =
-       (void *)__get_free_pages((GFP_KERNEL|__GFP_ZERO), 1);
-       if (vmbus_connection.monitor_pages == NULL) {
+       vmbus_connection.monitor_pages[0] = (void *)__get_free_pages((GFP_KERNEL|__GFP_ZERO), 0);
+       vmbus_connection.monitor_pages[1] = (void *)__get_free_pages((GFP_KERNEL|__GFP_ZERO), 0);
+       if ((vmbus_connection.monitor_pages[0] == NULL) ||
+           (vmbus_connection.monitor_pages[1] == NULL)) {
                ret = -ENOMEM;
                goto cleanup;
        }
@@ -229,10 +228,10 @@ cleanup:
                vmbus_connection.int_page = NULL;
        }
 
-       if (vmbus_connection.monitor_pages) {
-               free_pages((unsigned long)vmbus_connection.monitor_pages, 1);
-               vmbus_connection.monitor_pages = NULL;
-       }
+       free_pages((unsigned long)vmbus_connection.monitor_pages[0], 1);
+       free_pages((unsigned long)vmbus_connection.monitor_pages[1], 1);
+       vmbus_connection.monitor_pages[0] = NULL;
+       vmbus_connection.monitor_pages[1] = NULL;
 
        kfree(msginfo);