-----Original Message-----
From: Gerd Hoffmann <kraxel@...>
Sent: Monday, December 20, 2021 10:33 PM
To: devel@edk2.groups.io
Cc: Wu, Hao A <hao.a.wu@...>; Philippe Mathieu-Daudé
<philmd@...>; Wang, Jian J <jian.j.wang@...>; Pawel
Polawski <ppolawsk@...>; Ni, Ray <ray.ni@...>; Gao, Liming
<gaoliming@...>; Gerd Hoffmann <kraxel@...>
Subject: [PATCH 1/1] UsbBusDxe: fix NOOPT build error

gcc-11 (fedora 35):

/home/kraxel/projects/edk2/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus
.c: In function ‘UsbIoBulkTransfer’:
/home/kraxel/projects/edk2/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus
.c:277:12: error: ‘UsbHcBulkTransfer’ accessing 80 bytes in a region of size 8 [-
Werror=stringop-overflow=]

Signed-off-by: Gerd Hoffmann <kraxel@...>
---
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.h | 2 +-
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.h
b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.h
index 04cf36d3c860..d93370a6c21e 100644
--- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.h
+++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.h
@@ -148,7 +148,7 @@ UsbHcBulkTransfer (
IN UINT8 DevSpeed,
IN UINTN MaxPacket,
IN UINT8 BufferNum,
- IN OUT VOID *Data[EFI_USB_MAX_BULK_BUFFER_NUM],
+ IN OUT VOID *Data[],
IN OUT UINTN *DataLength,
IN OUT UINT8 *DataToggle,
IN UINTN TimeOut,
diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
index 12d08c0b740f..740e7babb0ca 100644
--- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
+++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
@@ -267,7 +267,7 @@ UsbHcBulkTransfer (
IN UINT8 DevSpeed,
IN UINTN MaxPacket,
IN UINT8 BufferNum,
- IN OUT VOID *Data[EFI_USB_MAX_BULK_BUFFER_NUM],
+ IN OUT VOID *Data[],
IN OUT UINTN *DataLength,
IN OUT UINT8 *DataToggle,
IN UINTN TimeOut,
--
2.33.1