Drivers: hv: vmbus: Don't wait after requesting offers

commit 73cffdb65e679b98893f484063462c045adcf212 upstream.

Don't wait after sending request for offers to the host. This wait is
unnecessary and simply adds 5 seconds to the boot time.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ luis: backported to 3.16: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 75330b3e388efcf3d841e27e73c4633c6ba5145c..10953ece3307ceb250d33dbbc1cf6ab4d40a7acf 100644 (file)
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -758,7 +758,7 @@ int vmbus_request_offers(void)
 {
        struct vmbus_channel_message_header *msg;
        struct vmbus_channel_msginfo *msginfo;
-       int ret, t;
+       int ret;
 
        msginfo = kmalloc(sizeof(*msginfo) +
                          sizeof(struct vmbus_channel_message_header),
@@ -766,8 +766,6 @@ int vmbus_request_offers(void)
        if (!msginfo)
                return -ENOMEM;
 
-       init_completion(&msginfo->waitevent);
-
        msg = (struct vmbus_channel_message_header *)msginfo->msg;
 
        msg->msgtype = CHANNELMSG_REQUESTOFFERS;
@@ -781,14 +779,6 @@ int vmbus_request_offers(void)
                goto cleanup;
        }
 
-       t = wait_for_completion_timeout(&msginfo->waitevent, 5*HZ);
-       if (t == 0) {
-               ret = -ETIMEDOUT;
-               goto cleanup;
-       }
-
-
-
 cleanup:
        kfree(msginfo);