xen-scsifront: use GFP_ATOMIC under spin_lock

This function is only called with a spin_lock held and IRQs disabled.
The allocation is not allowed to sleep and NOIO is not sufficient, it
has to be ATOMIC.

Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Juergen Gross <[email protected]>
Signed-off-by: David Vrabel <[email protected]>
1 file changed