efi: add some missing __packed

All of the device-path related structures should be packed.  UEFI
defines the device-path as a byte-aligned data structure.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/include/efi_api.h b/include/efi_api.h
index ec1b321..1753413 100644 (file)
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -284,11 +284,11 @@ struct efi_device_path {
        u8 type;
        u8 sub_type;
        u16 length;
-};
+} __packed;
 
 struct efi_mac_addr {
        u8 addr[32];
-};
+} __packed;
 
 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE      0x03
 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR    0x0b
@@ -297,7 +297,7 @@ struct efi_device_path_mac_addr {
        struct efi_device_path dp;
        struct efi_mac_addr mac;
        u8 if_type;
-};
+} __packed;
 
 #define DEVICE_PATH_TYPE_MEDIA_DEVICE          0x04
 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH       0x04
@@ -305,7 +305,7 @@ struct efi_device_path_mac_addr {
 struct efi_device_path_file_path {
        struct efi_device_path dp;
        u16 str[32];
-};
+} __packed;
 
 #define BLOCK_IO_GUID \
        EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \