Merge tag 'pm+acpi-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...

[cascardo/linux.git] / drivers / hv / connection.c

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index ae22e3c..e206619 100644 (file)
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -427,10 +427,21 @@ int vmbus_post_msg(void *buffer, size_t buflen)
         * insufficient resources. Retry the operation a couple of
         * times before giving up.
         */
-       while (retries < 3) {
-               ret =  hv_post_message(conn_id, 1, buffer, buflen);
-               if (ret != HV_STATUS_INSUFFICIENT_BUFFERS)
+       while (retries < 10) {
+               ret = hv_post_message(conn_id, 1, buffer, buflen);
+
+               switch (ret) {
+               case HV_STATUS_INSUFFICIENT_BUFFERS:
+                       ret = -ENOMEM;
+               case -ENOMEM:
+                       break;
+               case HV_STATUS_SUCCESS:
                        return ret;
+               default:
+                       pr_err("hv_post_msg() failed; error code:%d\n", ret);
+                       return -EINVAL;
+               }
+
                retries++;
                msleep(100);
        }