[master] 0d77366e4 varnishd: Plug irrelevant leak in VPI_Vmod_Init()

[Nils Goroll]

commit 0d77366e42a57d7dcb1f79b7886c552f99e9b604
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Fri Sep 6 13:51:23 2024 +0200

    varnishd: Plug irrelevant leak in VPI_Vmod_Init()
    
    for error cases, we would leak the memory allocated for v->backup

diff --git a/bin/varnishd/cache/cache_vrt_vmod.c b/bin/varnishd/cache/cache_vrt_vmod.c
index 8a088a19d..c1fa22070 100644
--- a/bin/varnishd/cache/cache_vrt_vmod.c
+++ b/bin/varnishd/cache/cache_vrt_vmod.c
@@ -109,7 +109,6 @@ VPI_Vmod_Init(VRT_CTX, struct vmod **hdl, unsigned nbr, void *ptr, int len,
 	if (v == NULL) {
 		ALLOC_OBJ(v, VMOD_MAGIC);
 		AN(v);
-		REPLACE(v->backup, backup);
 
 		v->hdl = dlhdl;
 
@@ -151,6 +150,7 @@ VPI_Vmod_Init(VRT_CTX, struct vmod **hdl, unsigned nbr, void *ptr, int len,
 
 		REPLACE(v->nm, nm);
 		REPLACE(v->path, path);
+		REPLACE(v->backup, backup);
 
 		VSC_C_main->vmods++;
 		VTAILQ_INSERT_TAIL(&vmods, v, list);