Alex Henrie : wusa: Zero out identity on error path in read_identity.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3caa27eafbecfa610e07844d2ed1e09a30960f34
URL:    https://gitlab.winehq.org/wine/wine/-/commit/3caa27eafbecfa610e07844d2ed1e09...

Author: Alex Henrie <alexhenrie24(a)gmail.com>
Date:   Sat Jun 10 13:06:58 2023 -0600

wusa: Zero out identity on error path in read_identity.

Fixes double frees in read_components and read_dependency. The double
frees could also be fixed by using free instead of free_dependency in
those functions, but zeroing out the pointers is easier to understand
because it ensures that alloc_dependency can always be paired with
free_dependency.

---

 programs/wusa/manifest.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/programs/wusa/manifest.c b/programs/wusa/manifest.c
index 83d4125133f..986bda27cd8 100644
--- a/programs/wusa/manifest.c
+++ b/programs/wusa/manifest.c
@@ -275,6 +275,7 @@ static BOOL read_identity(IXMLDOMElement *root, struct assembly_identity *identi
 
 error:
     clear_identity(identity);
+    memset(identity, 0, sizeof(*identity));
     return FALSE;
 }