[reactos] 02/03: [MMIXER] Safely handle MMixerGetDeviceNameWithComponentId failure in MMixerInitializeFilter. CORE-16611

[Thomas Faber]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=355700f45a42db5d14d05…

commit 355700f45a42db5d14d051a9266003c26525b1da
Author:     Thomas Faber <thomas.faber(a)reactos.org>
AuthorDate: Sat Feb 1 12:40:23 2020 +0100
Commit:     Thomas Faber <thomas.faber(a)reactos.org>
CommitDate: Sat Feb 8 13:08:27 2020 +0100

    [MMIXER] Safely handle MMixerGetDeviceNameWithComponentId failure in
MMixerInitializeFilter. CORE-16611
---
 sdk/lib/drivers/sound/mmixer/controls.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sdk/lib/drivers/sound/mmixer/controls.c
b/sdk/lib/drivers/sound/mmixer/controls.c
index 376a443a7a8..684a44b37ab 100644
--- a/sdk/lib/drivers/sound/mmixer/controls.c
+++ b/sdk/lib/drivers/sound/mmixer/controls.c
@@ -1559,6 +1559,10 @@ MMixerInitializeFilter(
         {
             /* try get name with component id */
             Status = MMixerGetDeviceNameWithComponentId(MixerContext,
MixerData->hDevice, MixerInfo->MixCaps.szPname);
+            if (Status != MM_STATUS_SUCCESS)
+            {
+                MixerInfo->MixCaps.szPname[0] = L'\0';
+            }
         }
 
         /* initialize line list */