On 21/03/2018 13:54, Paolo Bonzini wrote:
> If the user does not have permissions to send ioctls to the device (due to
> SELinux or cgroups, for example), the output can look like
> 
> qemu-kvm: -device scsi-block,drive=disk: cannot get SG_IO version number:
>   Operation not permitted.  Is this a SCSI device?
> 
> but this is confusing because the ioctl was blocked _before_ the device
> even received the SG_GET_VERSION_NUM ioctl.  Therefore, for EPERM errors
> the suggestion should be eliminated.  To make that simpler, change the
> code to use error_append_hint.
> 
> Reported-by: Ala Hino <ah...@redhat.com>
> Reviewed-by: Eric Blake <ebl...@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
>  hw/scsi/scsi-disk.c    | 7 ++++---
>  hw/scsi/scsi-generic.c | 7 ++++---
>  2 files changed, 8 insertions(+), 6 deletions(-)

Reviewed-by: Laurent Vivier <lviv...@redhat.com>



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