Alex Henrie : conhost: Fix memory leak on error path in create_screen_buffer (cppcheck).

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 67d961acfd16421be7eba4bc7a006bf8004f8d10
URL:    https://gitlab.winehq.org/wine/wine/-/commit/67d961acfd16421be7eba4bc7a006bf...

Author: Alex Henrie 
Date:   Wed Feb  2 00:23:12 2022 -0700

conhost: Fix memory leak on error path in create_screen_buffer (cppcheck).

Signed-off-by: Alex Henrie 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 78df9cb96ccf7d5f2e7919a003209c0b6f6fe021)
Signed-off-by: Michael Stefaniuc

---

programs/conhost/conhost.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/programs/conhost/conhost.c b/programs/conhost/conhost.c
index 78f6e345170..3c8d165cbbe 100644
--- a/programs/conhost/conhost.c
+++ b/programs/conhost/conhost.c
@@ -100,7 +100,11 @@ static struct screen_buffer *create_screen_buffer( struct console *console, int
         if (screen_buffer->font.face_len)
         {
             screen_buffer->font.face_name = malloc( screen_buffer->font.face_len * sizeof(WCHAR) );
-            if (!screen_buffer->font.face_name) return NULL;
+            if (!screen_buffer->font.face_name)
+            {
+                free( screen_buffer );
+                return NULL;
+            }

memcpy( screen_buffer->font.face_name, console->active->font.face_name,
                     screen_buffer->font.face_len * sizeof(WCHAR) );