From: Michael R. Hines <mrhines@us.ibm.com>
Date: Mon, 22 Jul 2013 14:01:52 +0000 (-0400)
Subject: rdma: bugfix: ram_control_save_page()
X-Git-Tag: v2.7.1~2515^2~9
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=de7b685c9e1cf606e37e7116e4c4f03a6ae2d14f;p=mirror_qemu.git

rdma: bugfix: ram_control_save_page()

We were not checking for a valid 'bytes_sent' pointer before accessing it.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael R. Hines <mrhines@us.ibm.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---

diff --git a/savevm.c b/savevm.c
index e0491e7580..03fc4d93bf 100644
--- a/savevm.c
+++ b/savevm.c
@@ -662,7 +662,7 @@ size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset,
                                     offset, size, bytes_sent);
 
         if (ret != RAM_SAVE_CONTROL_DELAYED) {
-            if (*bytes_sent > 0) {
+            if (bytes_sent && *bytes_sent > 0) {
                 qemu_update_position(f, *bytes_sent);
             } else if (ret < 0) {
                 qemu_file_set_error(f, ret);