Paul Gofman : hnetcfg: Fix realloc handling in fw_app_put_ProcessImageFileName().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 42b2a69a67b78163a1b2ed091dee0abd74745c57
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=42b2a69a67b78163a1b2ed091...

Author: Paul Gofman <pgofman(a)codeweavers.com>
Date:   Wed Feb  2 11:32:53 2022 +0300

hnetcfg: Fix realloc handling in fw_app_put_ProcessImageFileName().

Signed-off-by: Paul Gofman <pgofman(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/hnetcfg/apps.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/hnetcfg/apps.c b/dlls/hnetcfg/apps.c
index c5fe5e41f5e..f351e2482e8 100644
--- a/dlls/hnetcfg/apps.c
+++ b/dlls/hnetcfg/apps.c
@@ -269,7 +269,7 @@ static HRESULT WINAPI fw_app_put_ProcessImageFileName(
     fw_app *This = impl_from_INetFwAuthorizedApplication( iface );
     UNIVERSAL_NAME_INFOW *info;
     DWORD sz, longsz;
-    WCHAR *path;
+    WCHAR *path, *new_path;
     DWORD res;
 
     FIXME("%p, %s\n", This, debugstr_w(image));
@@ -303,11 +303,12 @@ static HRESULT WINAPI fw_app_put_ProcessImageFileName(
     longsz = GetLongPathNameW(path, path, sz);
     if (longsz > sz)
     {
-        if (!(path = realloc(path, longsz * sizeof(WCHAR))))
+        if (!(new_path = realloc(path, longsz * sizeof(WCHAR))))
         {
             free(path);
             return E_OUTOFMEMORY;
         }
+        path = new_path;
         GetLongPathNameW(path, path, longsz);
     }