Re: [PULL 05/12] vfio/iommufd: Fix SIGSEV in iommufd_cdev_attach()

["Cédric Le Goater" <clg@redhat.com>]

On 2/12/25 20:12, Michael Tokarev wrote:
> 11.02.2025 17:33, Cédric Le Goater wrote:
>> From: Zhenzhong Duan <zhenzhong.duan@intel.com>
>>
>> When iommufd_cdev_ram_block_discard_disable() fails for whatever reason,
>> errp should be set or else SIGSEV is triggered in vfio_realize() when
>> error_prepend() is called.
>>
>> By this chance, use the same error message for both legacy and iommufd
>> backend.
>>
>> Fixes: 5ee3dc7af785 ("vfio/iommufd: Implement the iommufd backend")
>> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
>> Reviewed-by: Eric Auger <eric.auger@redhat.com>
>> Link: https://lore.kernel.org/r/20250116102307.260849-1-zhenzhong.duan@intel.com
>> Signed-off-by: Cédric Le Goater <clg@redhat.com>
>> ---
>>   hw/vfio/iommufd.c | 5 +++--
>>   1 file changed, 3 insertions(+), 2 deletions(-)
> 
> This seems to be a qemu-stable material (for 9.2).
> Please let me know if it is not.

For 9.0 and above. It applies cleanly.

Thanks,

C.