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path: root/MdeModulePkg/Bus/Usb/UsbNetwork/UsbCdcEcm/UsbEcmFunction.c
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Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbNetwork/UsbCdcEcm/UsbEcmFunction.c')
-rw-r--r--MdeModulePkg/Bus/Usb/UsbNetwork/UsbCdcEcm/UsbEcmFunction.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbNetwork/UsbCdcEcm/UsbEcmFunction.c b/MdeModulePkg/Bus/Usb/UsbNetwork/UsbCdcEcm/UsbEcmFunction.c
index 63003e07ff..29f4508a38 100644
--- a/MdeModulePkg/Bus/Usb/UsbNetwork/UsbCdcEcm/UsbEcmFunction.c
+++ b/MdeModulePkg/Bus/Usb/UsbNetwork/UsbCdcEcm/UsbEcmFunction.c
@@ -628,7 +628,7 @@ SetUsbEthMcastFilter (
return Status;
}
- if ((UsbEthFunDescriptor.NumberMcFilters << 1) == 0) {
+ if ((UsbEthFunDescriptor.NumberMcFilters & MAC_FILTERS_MASK) == 0) {
return EFI_UNSUPPORTED;
}