diff mbox

[edk2,04/19] OvmfPkg/EmuVariableFvbRuntimeDxe: eliminate unchecked PcdSetXX() calls

Message ID 20161021212737.15974-5-lersek@redhat.com
State Accepted
Commit 6348eea63ea79935aeeb305d503e35716f1c1d24
Headers show

Commit Message

Laszlo Ersek Oct. 21, 2016, 9:27 p.m. UTC
These are deprecated / disabled under the
DISABLE_NEW_DEPRECATED_INTERFACES feature test macro.

Introduce a variable called PcdStatus, and use it to assert the success of
these operations (there is no reason for them to fail here).

Cc: Anthony PERARD <anthony.perard@citrix.com>
Cc: Gary Lin <glin@suse.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=166
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>

---

Notes:
    not used in my setup, testing would be appreciated

 OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

-- 
2.9.2


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Comments

Gary Lin Oct. 24, 2016, 4:45 a.m. UTC | #1
On Fri, Oct 21, 2016 at 11:27:22PM +0200, Laszlo Ersek wrote:
> These are deprecated / disabled under the

> DISABLE_NEW_DEPRECATED_INTERFACES feature test macro.

> 

> Introduce a variable called PcdStatus, and use it to assert the success of

> these operations (there is no reason for them to fail here).

> 


Reviewed-by: Gary Lin <glin@suse.com> and Tested-by: Gary Lin <glin@suse.com>


> Cc: Anthony PERARD <anthony.perard@citrix.com>

> Cc: Gary Lin <glin@suse.com>

> Cc: Jordan Justen <jordan.l.justen@intel.com>

> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=166

> Contributed-under: TianoCore Contribution Agreement 1.0

> Signed-off-by: Laszlo Ersek <lersek@redhat.com>

> ---

> 

> Notes:

>     not used in my setup, testing would be appreciated

> 

>  OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c | 12 +++++++++---

>  1 file changed, 9 insertions(+), 3 deletions(-)

> 

> diff --git a/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c b/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c

> index 7a8beb3354b9..dec6d4af50df 100644

> --- a/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c

> +++ b/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c

> @@ -803,6 +803,7 @@ FvbInitialize (

>    BOOLEAN                             Initialize;

>    EFI_HANDLE                          Handle;

>    EFI_PHYSICAL_ADDRESS                Address;

> +  RETURN_STATUS                       PcdStatus;

>  

>    DEBUG ((EFI_D_INFO, "EMU Variable FVB Started\n"));

>  

> @@ -862,19 +863,24 @@ FvbInitialize (

>      SetMem (Ptr, EMU_FVB_SIZE, ERASED_UINT8);

>      InitializeFvAndVariableStoreHeaders (Ptr);

>    }

> -  PcdSet64 (PcdFlashNvStorageVariableBase64, (UINT32)(UINTN) Ptr);

> +  PcdStatus = PcdSet64S (PcdFlashNvStorageVariableBase64, (UINT32)(UINTN) Ptr);

> +  ASSERT_RETURN_ERROR (PcdStatus);

>  

>    //

>    // Initialize the Fault Tolerant Write data area

>    //

>    SubPtr = (VOID*) ((UINT8*) Ptr + PcdGet32 (PcdVariableStoreSize));

> -  PcdSet32 (PcdFlashNvStorageFtwWorkingBase, (UINT32)(UINTN) SubPtr);

> +  PcdStatus = PcdSet32S (PcdFlashNvStorageFtwWorkingBase,

> +                (UINT32)(UINTN) SubPtr);

> +  ASSERT_RETURN_ERROR (PcdStatus);

>  

>    //

>    // Initialize the Fault Tolerant Write spare block

>    //

>    SubPtr = (VOID*) ((UINT8*) Ptr + EMU_FVB_BLOCK_SIZE);

> -  PcdSet32 (PcdFlashNvStorageFtwSpareBase, (UINT32)(UINTN) SubPtr);

> +  PcdStatus = PcdSet32S (PcdFlashNvStorageFtwSpareBase,

> +                (UINT32)(UINTN) SubPtr);

> +  ASSERT_RETURN_ERROR (PcdStatus);

>  

>    //

>    // Setup FVB device path

> -- 

> 2.9.2

> 

> 

> 

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diff mbox

Patch

diff --git a/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c b/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c
index 7a8beb3354b9..dec6d4af50df 100644
--- a/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c
+++ b/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c
@@ -803,6 +803,7 @@  FvbInitialize (
   BOOLEAN                             Initialize;
   EFI_HANDLE                          Handle;
   EFI_PHYSICAL_ADDRESS                Address;
+  RETURN_STATUS                       PcdStatus;
 
   DEBUG ((EFI_D_INFO, "EMU Variable FVB Started\n"));
 
@@ -862,19 +863,24 @@  FvbInitialize (
     SetMem (Ptr, EMU_FVB_SIZE, ERASED_UINT8);
     InitializeFvAndVariableStoreHeaders (Ptr);
   }
-  PcdSet64 (PcdFlashNvStorageVariableBase64, (UINT32)(UINTN) Ptr);
+  PcdStatus = PcdSet64S (PcdFlashNvStorageVariableBase64, (UINT32)(UINTN) Ptr);
+  ASSERT_RETURN_ERROR (PcdStatus);
 
   //
   // Initialize the Fault Tolerant Write data area
   //
   SubPtr = (VOID*) ((UINT8*) Ptr + PcdGet32 (PcdVariableStoreSize));
-  PcdSet32 (PcdFlashNvStorageFtwWorkingBase, (UINT32)(UINTN) SubPtr);
+  PcdStatus = PcdSet32S (PcdFlashNvStorageFtwWorkingBase,
+                (UINT32)(UINTN) SubPtr);
+  ASSERT_RETURN_ERROR (PcdStatus);
 
   //
   // Initialize the Fault Tolerant Write spare block
   //
   SubPtr = (VOID*) ((UINT8*) Ptr + EMU_FVB_BLOCK_SIZE);
-  PcdSet32 (PcdFlashNvStorageFtwSpareBase, (UINT32)(UINTN) SubPtr);
+  PcdStatus = PcdSet32S (PcdFlashNvStorageFtwSpareBase,
+                (UINT32)(UINTN) SubPtr);
+  ASSERT_RETURN_ERROR (PcdStatus);
 
   //
   // Setup FVB device path