From 7e312c346cc94f093d82324f9020ac5595464f61 Mon Sep 17 00:00:00 2001 From: Ken Thomases Date: Wed, 9 Sep 2020 14:21:49 -0500 Subject: [PATCH] mountmgr: Avoid operating on a null CFStringRef, which would crash. Signed-off-by: Ken Thomases Signed-off-by: Alexandre Julliard --- dlls/mountmgr.sys/diskarb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dlls/mountmgr.sys/diskarb.c b/dlls/mountmgr.sys/diskarb.c index 3d531b95ee5..12da89d7688 100644 --- a/dlls/mountmgr.sys/diskarb.c +++ b/dlls/mountmgr.sys/diskarb.c @@ -298,7 +298,7 @@ static CFStringRef find_service_id( const WCHAR *adapter ) service = CFArrayGetValueAtIndex( services, i ); name = SCNetworkInterfaceGetBSDName( SCNetworkServiceGetInterface(service) ); - if (CFStringGetLength( name ) < ARRAY_SIZE( buf )) + if (name && CFStringGetLength( name ) < ARRAY_SIZE( buf )) { CFStringGetCharacters( name, CFRangeMake(0, CFStringGetLength(name)), buf ); if (!lstrcmpW( buf, unix_name ) && (id = SCNetworkServiceGetServiceID( service )))