Fix possible infinite loop in remote driver

When we take out completed calls from queue we might end up
in circular pointer. We don't want pointer to previous item
point to element taken out.

diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 5cb4f4cb230c6a88dc853cbb62a7529609c04748..b979f71c83a3ab3e0b483762c6cb3bb689d76169 100644 (file)
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -10672,8 +10672,9 @@ remoteIOEventLoop(virConnectPtr conn,
                  */
                 VIR_DEBUG("Waking up sleep %d %p %p", tmp->proc_nr, tmp, priv->waitDispatch);
                 virCondSignal(&tmp->cond);
+            } else {
+                prev = tmp;
             }
-            prev = tmp;
             tmp = tmp->next;
         }