tests/qtest: Free old machine variable name

This fixes LeakSanitizer warnings.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20240627-san-v2-12-750bb0946dbd@daynix.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
index ca46b1f8d0169f8d3bc80d085f915fd66ff880ef..1326e3429111f65fdaaceab80649b4a7ecc79810 100644 (file)
--- a/tests/qtest/libqtest.c
+++ b/tests/qtest/libqtest.c
@@ -1514,6 +1514,7 @@ static struct MachInfo *qtest_get_machines(const char *var)
     int idx;
 
     if (g_strcmp0(qemu_var, var)) {
+        g_free(qemu_var);
         qemu_var = g_strdup(var);
 
         /* new qemu, clear the cache */