Re: [PATCH v2] MdeModulePkg/AtaPassThru: Add missing NULL ptr check in BindingStart

["Wu, Hao A" <hao.a.wu@intel.com>]

Correction:
Should be V1 of the patch.

Best Regards,
Hao Wu


> -----Original Message-----
> From: Wu, Hao A
> Sent: Thursday, June 28, 2018 9:39 AM
> To: edk2-devel@lists.01.org
> Cc: Wu, Hao A; Zeng, Star; Shi, Steven; Dong, Eric
> Subject: [PATCH v2] MdeModulePkg/AtaPassThru: Add missing NULL ptr check
> in BindingStart
> 
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=916
> 
> Within function AtaAtapiPassThruStart():
> Add missing NULL pointer check for variable 'Instance' under the
> 'ErrorExit' code logics.
> 
> Cc: Star Zeng <star.zeng@intel.com>
> Cc: Steven Shi <steven.shi@intel.com>
> Cc: Eric Dong <eric.dong@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Hao Wu <hao.a.wu@intel.com>
> ---
>  MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
> b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
> index aab704bcd3..4108bafd85 100644
> --- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
> +++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
> @@ -827,12 +827,11 @@ ErrorExit:
>      gBS->CloseEvent (Instance->TimerEvent);
>    }
> 
> -  //
> -  // Remove all inserted ATA devices.
> -  //
> -  DestroyDeviceInfoList(Instance);
> -
>    if (Instance != NULL) {
> +    //
> +    // Remove all inserted ATA devices.
> +    //
> +    DestroyDeviceInfoList (Instance);
>      FreePool (Instance);
>    }
>    return EFI_UNSUPPORTED;
> --
> 2.12.0.windows.1