Alex Henrie : urlmon: Fix null pointer dereference in process_hook_section (Coverity).

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 2a8257ece7cbd567f5b2edd27e8f276362457274
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=2a8257ece7cbd567f5b2edd27...

Author: Alex Henrie <alexhenrie24(a)gmail.com>
Date:   Sat Aug  8 09:36:41 2020 -0600

urlmon: Fix null pointer dereference in process_hook_section (Coverity).

Signed-off-by: Alex Henrie <alexhenrie24(a)gmail.com>
Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>
(cherry picked from commit 0385811219a6dc7ab9726255f760ebea37e8286d)
Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org>

---

 dlls/urlmon/axinstall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/urlmon/axinstall.c b/dlls/urlmon/axinstall.c
index 9d6f9a0f15d..3f10902ddd2 100644
--- a/dlls/urlmon/axinstall.c
+++ b/dlls/urlmon/axinstall.c
@@ -202,7 +202,7 @@ static HRESULT process_hook_section(install_ctx_t *ctx, const WCHAR *sect_name)
 
             cmd = heap_alloc(size*sizeof(WCHAR));
             if(!cmd)
-                heap_free(cmd);
+                return E_OUTOFMEMORY;
 
             expand_command(ctx, val, cmd, &size);
             hres = RunSetupCommandW(ctx->hwnd, cmd, NULL, ctx->tmp_dir, NULL, NULL, 0, NULL);