Hugh McMaster : regedit: Check for a valid subkey pointer before attempting to delete a registry key (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5bd636dc161ccf512996a01a9f5491382edf59f1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5bd636dc161ccf512996a01a9f...

Author: Hugh McMaster <hugh.mcmaster(a)outlook.com>
Date:   Mon Jul 24 12:47:56 2017 +0000

regedit: Check for a valid subkey pointer before attempting to delete a registry key (Coverity).

Signed-off-by: Hugh McMaster <hugh.mcmaster(a)outlook.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 programs/regedit/regproc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/programs/regedit/regproc.c b/programs/regedit/regproc.c
index 7be4605..7e44e37 100644
--- a/programs/regedit/regproc.c
+++ b/programs/regedit/regproc.c
@@ -1125,7 +1125,7 @@ void delete_registry_key(WCHAR *reg_key_name)
         error_exit(STRING_INVALID_SYSTEM_KEY, reg_key_name);
     }
 
-    if (!*key_name)
+    if (!key_name || !*key_name)
         error_exit(STRING_DELETE_FAILED, reg_key_name);
 
     RegDeleteTreeW(key_class, key_name);