virtual: Sync each backend mailbox in its own data stack frame

diff --git a/src/plugins/virtual/virtual-sync.c b/src/plugins/virtual/virtual-sync.c
index 58e8e9926e08a15673e4d9afa84a78d5a67eeb7d..b9e7934136c4828f90ffe56a5f3b17516fe22521 100644 (file)
--- a/src/plugins/virtual/virtual-sync.c
+++ b/src/plugins/virtual/virtual-sync.c
@@ -1829,7 +1829,10 @@ static int virtual_sync_backend_boxes(struct virtual_sync_context *ctx)
                virtual_sync_bboxes_get_mails(ctx);
 
        for (i = 0; i < count; i++) {
-               if (virtual_sync_backend_box(ctx, bboxes[i]) < 0) {
+               T_BEGIN {
+                       ret = virtual_sync_backend_box(ctx, bboxes[i]);
+               } T_END;
+               if (ret < 0) {
                        /* backend failed, copy the error */
                        virtual_box_copy_error(&ctx->mbox->box,
                                               bboxes[i]->box);