9pfs: adjust the order of resource cleanup in device unrealize

Unrealize should undo things that were set during realize in
reverse order. So should do in the error path in realize.

Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>

diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index aea7e9d392061edbea2b4375d879ed5a123ea0a0..087b5c98eec1bd475eba39003f3c86dfe4e8a2f2 100644 (file)
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -3521,8 +3521,8 @@ int v9fs_device_realize_common(V9fsState *s, Error **errp)
     rc = 0;
 out:
     if (rc) {
-        g_free(s->ctx.fs_root);
         g_free(s->tag);
+        g_free(s->ctx.fs_root);
         v9fs_path_free(&path);
     }
     return rc;
@@ -3530,8 +3530,8 @@ out:
 
 void v9fs_device_unrealize_common(V9fsState *s, Error **errp)
 {
-    g_free(s->ctx.fs_root);
     g_free(s->tag);
+    g_free(s->ctx.fs_root);
 }
 
 typedef struct VirtfsCoResetData {