Fabian Maurer : shell32: Prevent double free (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 04589492638ed14c1c6cbdd09f84eb1df419a0a6
URL:    https://gitlab.winehq.org/wine/wine/-/commit/04589492638ed14c1c6cbdd09f84eb1...

Author: Fabian Maurer <dark.shadow4(a)web.de>
Date:   Wed Nov  2 04:39:06 2022 +0100

shell32: Prevent double free (Coverity).

If we get an error, we might get a double free otherwise.

Signed-off-by: Fabian Maurer <dark.shadow4(a)web.de>

---

 dlls/shell32/dde.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/shell32/dde.c b/dlls/shell32/dde.c
index 24482d2c33f..96b5a243f93 100644
--- a/dlls/shell32/dde.c
+++ b/dlls/shell32/dde.c
@@ -403,6 +403,7 @@ static DWORD parse_dde_command(HSZ hszTopic, WCHAR *command)
         }
 
         free(opcode);
+        opcode = NULL;
         for (i = 0; i < argc; i++) free(argv[i]);
         free(argv);