If 'kzalloc' fails, a NULL pointer will be dereferenced. Return -ENOMEM
instead.
Signed-off-by: NChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: NAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>