add #pragma pack(1) for some structures.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6449 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 5 insertions, 1 deletions

diff --git a/MdePkg/Include/IndustryStandard/Usb.h b/MdePkg/Include/IndustryStandard/Usb.h
index 419b1b375d..5ec270c7a1 100644
--- a/MdePkg/Include/IndustryStandard/Usb.h
+++ b/MdePkg/Include/IndustryStandard/Usb.h
@@ -96,6 +96,7 @@ typedef struct {
   UINT8           NumConfigurations;

 } USB_DEVICE_DESCRIPTOR;

 

+#pragma pack(1)

 ///

 /// Standard Configuration Descriptor

 /// USB 2.0 spec, Section 9.6.3

@@ -110,6 +111,7 @@ typedef struct {
   UINT8           Attributes;

   UINT8           MaxPower;

 } USB_CONFIG_DESCRIPTOR;

+#pragma pack()

 

 ///

 /// Standard Interface Descriptor

@@ -127,6 +129,7 @@ typedef struct {
   UINT8           Interface;

 } USB_INTERFACE_DESCRIPTOR;

 

+#pragma pack(1)

 ///

 /// Standard Endpoint Descriptor

 /// USB 2.0 spec, Section 9.6.6

@@ -139,6 +142,7 @@ typedef struct {
   UINT16          MaxPacketSize;

   UINT8           Interval;

 } USB_ENDPOINT_DESCRIPTOR;

+#pragma pack()

 

 ///

 /// UNICODE String Descriptor

@@ -335,7 +339,6 @@ typedef struct hid_class_descriptor {
   UINT8   DescriptorType;

   UINT16  DescriptorLength;

 } EFI_USB_HID_CLASS_DESCRIPTOR;

-#pragma pack()

 

 ///

 /// The HID descriptor identifies the length and type

@@ -349,5 +352,6 @@ typedef struct hid_descriptor {
   UINT8                         NumDescriptors;

   EFI_USB_HID_CLASS_DESCRIPTOR  HidClassDesc[1];

 } EFI_USB_HID_DESCRIPTOR;

+#pragma pack()

 

 #endif