From 9bf15ff968058340dd5b76525cbbbcdf8623ba9b Mon Sep 17 00:00:00 2001
From: Justin Wood <woody@apple.com>
Date: Sat, 9 Jul 2022 05:53:26 -0700
Subject: [PATCH] fix GetSerialNumber when
 CHIP_DEVICE_CONFIG_TEST_SERIAL_NUMBER is used (#20475) (#20494)

Co-authored-by: eve-cxrp <80681009+eve-cxrp@users.noreply.github.com>
---
 .../platform/internal/GenericDeviceInstanceInfoProvider.ipp      | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/include/platform/internal/GenericDeviceInstanceInfoProvider.ipp b/src/include/platform/internal/GenericDeviceInstanceInfoProvider.ipp
index 4081c7c9e0da93..12eb6bee7e3a39 100644
--- a/src/include/platform/internal/GenericDeviceInstanceInfoProvider.ipp
+++ b/src/include/platform/internal/GenericDeviceInstanceInfoProvider.ipp
@@ -66,6 +66,7 @@ CHIP_ERROR GenericDeviceInstanceInfoProvider<ConfigClass>::GetSerialNumber(char
         ReturnErrorCodeIf(sizeof(CHIP_DEVICE_CONFIG_TEST_SERIAL_NUMBER) > bufSize, CHIP_ERROR_BUFFER_TOO_SMALL);
         memcpy(buf, CHIP_DEVICE_CONFIG_TEST_SERIAL_NUMBER, sizeof(CHIP_DEVICE_CONFIG_TEST_SERIAL_NUMBER));
         serialNumLen = sizeof(CHIP_DEVICE_CONFIG_TEST_SERIAL_NUMBER) - 1;
+        err = CHIP_NO_ERROR;
     }
 #endif // CHIP_DEVICE_CONFIG_TEST_SERIAL_NUMBER
     ReturnErrorOnFailure(err);