[libvirt] [PATCH] test: Remove possible infinite loop in virnetsockettest

[John Ferlan]

Commit 39015a6f3 modified the test to be more reliable/realistic,
but without checking the return status of virEventRunDefaultImpl
it's possible that the test could run infinitely.

Found by Coverity

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 tests/virnetsockettest.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tests/virnetsockettest.c b/tests/virnetsockettest.c
index cccb90d0be..490f720fd0 100644
--- a/tests/virnetsockettest.c
+++ b/tests/virnetsockettest.c
@@ -243,8 +243,13 @@ testSocketAccept(const void *opaque)
                         &cdata) < 0)
         goto cleanup;
 
-    while (rsock == NULL)
-        virEventRunDefaultImpl();
+    while (rsock == NULL) {
+        if (virEventRunDefaultImpl() < 0) {
+            VIR_WARN("Failed to run event loop: %s\n",
+                     virGetLastErrorMessage());
+            break;
+        }
+    }
 
     for (i = 0; i < nlsock; i++) {
         if (lsock[i] == rsock) {
-- 
2.17.1