On 27/03/17 15:24, David Gibson wrote:
> On Mon, Mar 27, 2017 at 02:23:40PM +1100, Alexey Kardashevskiy wrote:
>> This adds missing checking for kzalloc() return value.
>>
>> Fixes: 4b6fad7097f8 ("powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown")
>> Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
>
> Reviewed-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>
Alex?
>
>> ---
>> drivers/vfio/vfio_iommu_spapr_tce.c | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
>> index cf3de91fbfe7..c298bb36e27a 100644
>> --- a/drivers/vfio/vfio_iommu_spapr_tce.c
>> +++ b/drivers/vfio/vfio_iommu_spapr_tce.c
>> @@ -198,6 +198,11 @@ static long tce_iommu_register_pages(struct tce_container *container,
>> return ret;
>>
>> tcemem = kzalloc(sizeof(*tcemem), GFP_KERNEL);
>> + if (!tcemem) {
>> + mm_iommu_put(container->mm, mem);
>> + return -ENOMEM;
>> + }
>> +
>> tcemem->mem = mem;
>> list_add(&tcemem->next, &container->prereg_list);
>>
>
--
Alexey
Attachment:
signature.asc
Description: OpenPGP digital signature
