NetworkPkg: Add warning message for PXE if failed to read system GUID from SMBIOS.

[mirror_edk2.git] / NetworkPkg / UefiPxeBcDxe / PxeBcImpl.c

diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c b/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c
index 93f3bfa5ba8dbf9128440f65193e009a59f0b9c3..d3146c3a7e5feb958d6be1e778c600e7d94ced47 100644 (file)
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c
@@ -855,11 +855,19 @@ EfiPxeBcMtftp (
       (Filename == NULL) ||\r
       (BufferSize == NULL) ||\r
       (ServerIp == NULL) ||\r
-      ((BufferPtr == NULL) && DontUseBuffer) ||\r
       ((BlockSize != NULL) && (*BlockSize < PXE_MTFTP_DEFAULT_BLOCK_SIZE))) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r
+  if (Operation == EFI_PXE_BASE_CODE_TFTP_READ_FILE ||\r
+      Operation == EFI_PXE_BASE_CODE_TFTP_READ_DIRECTORY ||\r
+      Operation == EFI_PXE_BASE_CODE_MTFTP_READ_FILE ||\r
+      Operation == EFI_PXE_BASE_CODE_MTFTP_READ_DIRECTORY) {\r
+    if (BufferPtr == NULL && !DontUseBuffer) {\r
+      return EFI_INVALID_PARAMETER;\r
+    }\r
+  }\r
+\r
   Config    = NULL;\r
   Status    = EFI_DEVICE_ERROR;\r
   Private   = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);\r
@@ -1941,6 +1949,7 @@ EfiPxeBcSetParameters (
 \r
   if (NewSendGUID != NULL) {\r
     if (*NewSendGUID && EFI_ERROR (NetLibGetSystemGuid (&SystemGuid))) {\r
+      DEBUG ((EFI_D_WARN, "PXE: Failed to read system GUID from the smbios table!\n"));\r
       return EFI_INVALID_PARAMETER;\r
     }\r
     Mode->SendGUID = *NewSendGUID;\r