Alex Henrie : msi: Fix memory leak on error path in MSI_ProcessMessage (scan-build).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d06b3fd5274b056c720e2fb42eb189052d99404d
URL:    https://gitlab.winehq.org/wine/wine/-/commit/d06b3fd5274b056c720e2fb42eb1890...

Author: Alex Henrie 
Date:   Wed Jun  7 23:02:56 2023 -0600

msi: Fix memory leak on error path in MSI_ProcessMessage (scan-build).

---

dlls/msi/package.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/msi/package.c b/dlls/msi/package.c
index 9e34b7e6351..90293a10881 100644
--- a/dlls/msi/package.c
+++ b/dlls/msi/package.c
@@ -1897,7 +1897,12 @@ INT MSI_ProcessMessage( MSIPACKAGE *package, INSTALLMESSAGE eMessageType, MSIREC
             }

template = malloc((wcslen(template_rec) + wcslen(template_prefix) + 1) * sizeof(WCHAR));
-            if (!template) return ERROR_OUTOFMEMORY;
+            if (!template)
+            {
+                free(template_prefix);
+                free(template_rec);
+                return ERROR_OUTOFMEMORY;
+            }

lstrcpyW(template, template_prefix);
             lstrcatW(template, template_rec);