[edk2-devel] [PATCH] MdeModulePkg/HiiDatabase: Do not modify CONST string
Dandan Bi
dandan.bi at intel.com
Tue Mar 24 14:26:34 UTC 2020
Thanks for the update.
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
> Jeff Brasen
> Sent: Friday, March 20, 2020 1:21 AM
> To: devel at edk2.groups.io
> Cc: Bi, Dandan <dandan.bi at intel.com>; Dong, Eric <eric.dong at intel.com>;
> Jeff Brasen <jbrasen at nvidia.com>
> Subject: [edk2-devel] [PATCH] MdeModulePkg/HiiDatabase: Do not modify
> CONST string
>
> Update function behavior to not modify the incoming string that is marked as
> CONST in the prototype.
>
> Signed-off-by: Jeff Brasen <jbrasen at nvidia.com>
> ---
> .../Universal/HiiDatabaseDxe/ConfigRouting.c | 13 ++++++++-----
> 1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
> b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
> index 2cad6d29f4..e08a62c387 100644
> --- a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
> +++ b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
> @@ -5497,7 +5497,6 @@ HiiBlockToConfig (
> UINTN Index;
> UINT8 *TemBuffer;
> CHAR16 *TemString;
> - CHAR16 TemChar;
>
> TmpBuffer = NULL;
>
> @@ -5564,10 +5563,14 @@ HiiBlockToConfig (
> //
> // Copy <ConfigHdr> and an additional '&' to <ConfigResp>
> //
> - TemChar = *StringPtr;
> - *StringPtr = '\0';
> - AppendToMultiString(Config, ConfigRequest);
> - *StringPtr = TemChar;
> +
> + TemString = AllocateCopyPool (sizeof (CHAR16) * (StringPtr -
> + ConfigRequest + 1), ConfigRequest); if (TemString == NULL) {
> + return EFI_OUT_OF_RESOURCES;
> + }
> + TemString[StringPtr - ConfigRequest] = '\0';
> + AppendToMultiString(Config, TemString); FreePool (TemString);
>
> //
> // Parse each <RequestElement> if exists
> --
> 2.17.1
>
>
>
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