https://git.reactos.org/?p=reactos.git;a=commitdiff;h=33a0c66f30d823b1adf21bb95c526e489847b38f
commit 33a0c66f30d823b1adf21bb95c526e489847b38f Author: Eric Kohl <[email protected]> AuthorDate: Sat Apr 23 15:35:45 2022 +0200 Commit: Eric Kohl <[email protected]> CommitDate: Sat Apr 23 15:35:45 2022 +0200 [UMPNPMGR] PNP_CreateDevInst: Do not create a normal device if it is already present --- base/services/umpnpmgr/rpcserver.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/base/services/umpnpmgr/rpcserver.c b/base/services/umpnpmgr/rpcserver.c index 74a289205d0..26b9ab88ab3 100644 --- a/base/services/umpnpmgr/rpcserver.c +++ b/base/services/umpnpmgr/rpcserver.c @@ -3097,6 +3097,13 @@ PNP_CreateDevInst( } else { + /* Fail, if the device exists and is present */ + if ((hKey != NULL) && (IsPresentDeviceInstanceID(pszDeviceID))) + { + ret = CR_ALREADY_SUCH_DEVINST; + goto done; + } + /* Create the device instance */ ret = CreateDeviceInstance(pszDeviceID, FALSE); }
