[edk2-devel] [PATCH EDK2 v2 1/1] OvmfPkg/XenPvBlkDxe: add return value if allocting fail

[wenyi,xie via groups.io]

It's OK to me.

Thanks
Wenyi

On 2020/11/24 17:16, Laszlo Ersek wrote:
> On 11/24/20 03:06, Wenyi Xie wrote:
>> return EFI_OUT_OF_RESOURCES if pool allocating fail.
>>
>> Cc: Jordan Justen <jordan.l.justen at intel.com>
>> Cc: Laszlo Ersek <lersek at redhat.com>
>> Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
>> Cc: Anthony Perard <anthony.perard at citrix.com>
>> Cc: Julien Grall <julien at xen.org>
>> Signed-off-by: Wenyi Xie <xiewenyi2 at huawei.com>
>> ---
>>  OvmfPkg/XenPvBlkDxe/BlockFront.c | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/OvmfPkg/XenPvBlkDxe/BlockFront.c b/OvmfPkg/XenPvBlkDxe/BlockFront.c
>> index 122a6baed25a..32d70c36cef2 100644
>> --- a/OvmfPkg/XenPvBlkDxe/BlockFront.c
>> +++ b/OvmfPkg/XenPvBlkDxe/BlockFront.c
>> @@ -155,6 +155,10 @@ XenPvBlockFrontInitialization (
>>    ASSERT (NodeName != NULL);
>>  
>>    Dev = AllocateZeroPool (sizeof (XEN_BLOCK_FRONT_DEVICE));
>> +  if (Dev == NULL) {
>> +    return EFI_OUT_OF_RESOURCES;
>> +  }
>> +
>>    Dev->Signature = XEN_BLOCK_FRONT_SIGNATURE;
>>    Dev->NodeName = NodeName;
>>    Dev->XenBusIo = XenBusIo;
>>
> 
> Reviewed-by: Laszlo Ersek <lersek at redhat.com>
> 
> Unless it's urgent for you, I'd like to merge this after
> edk2-stable202011. It's a bugfix alright, but the issue seems to have
> existed for a long time, with presumably no symptoms for most users.
> 
> Thanks
> Laszlo
> 
> .
> 


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