[edk2-devel] [PATCH v3 4/4] MdeModulePkg/SetupBrowserDxe: ASSERT GetBufferForValue(&Value)
Dandan Bi
dandan.bi at intel.com
Tue Nov 5 02:24:25 UTC 2019
Reviewed-by: Dandan Bi <dandan.bi at intel.com>
Thanks,
Dandan
> -----Original Message-----
> From: devel at edk2.groups.io [mailto:devel at edk2.groups.io] On Behalf Of
> Zhang, Shenglei
> Sent: Friday, November 1, 2019 2:14 PM
> To: devel at edk2.groups.io
> Cc: Wang, Jian J <jian.j.wang at intel.com>; Wu, Hao A <hao.a.wu at intel.com>
> Subject: [edk2-devel] [PATCH v3 4/4] MdeModulePkg/SetupBrowserDxe:
> ASSERT GetBufferForValue(&Value)
>
> Before called by GetBufferForValue(), Value has already been called function
> IsTypeInBuffer to make sure the value must be buffer type.
> So GetBufferForValue can not return NULL.
> This commit adds ASSERT to assume (GetBufferForValue (&Value) is not
> NULL.
>
> Cc: Jian J Wang <jian.j.wang at intel.com>
> Cc: Hao A Wu <hao.a.wu at intel.com>
> Signed-off-by: Shenglei Zhang <shenglei.zhang at intel.com>
> ---
>
> v3: Add ASSERT instead of using error handling.
>
> MdeModulePkg/Universal/SetupBrowserDxe/Expression.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
> b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
> index 7f4929c2fcd9..138912e00823 100644
> --- a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
> +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
> @@ -1281,7 +1281,10 @@ IfrToUint (
> Result->Type = EFI_IFR_TYPE_UNDEFINED;
> return EFI_SUCCESS;
> }
> +
> + ASSERT ((GetBufferForValue (&Value) != NULL);
> Result->Value.u64 = *(UINT64*) GetBufferForValue (&Value);
> +
> if (Value.Type == EFI_IFR_TYPE_BUFFER) {
> FreePool (Value.Buffer);
> }
> --
> 2.18.0.windows.1
>
>
>
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