[Qemu-devel] [RFC PATCH v1 1/6] migration: Fix unregister_savevm()

[Bharata B Rao <bharata@linux.vnet.ibm.com>]

In unregister_savevm(), free se->compat only if it was allocated earlier.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
---
 migration/savevm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/migration/savevm.c b/migration/savevm.c
index 352a8f2..7a268ec 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -648,7 +648,9 @@ void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque)
     QTAILQ_FOREACH_SAFE(se, &savevm_state.handlers, entry, new_se) {
         if (strcmp(se->idstr, id) == 0 && se->opaque == opaque) {
             QTAILQ_REMOVE(&savevm_state.handlers, se, entry);
-            g_free(se->compat);
+            if (dev) {
+                g_free(se->compat);
+            }
             g_free(se->ops);
             g_free(se);
         }
-- 
2.7.4