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mountmgr: Avoid operating on a null CFStringRef, which would crash.

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Signed-off-by: Ken Thomases <ken@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Ken Thomases 2020-09-09 14:21:49 -05:00 committed by Alexandre Julliard
parent c7a0d5f626
commit 7e312c346c
1 changed files with 1 additions and 1 deletions
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2
dlls/mountmgr.sys/diskarb.c
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@ -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 )))