Checking for a NULL return from a kzalloc call in hpsa_get_pdisk_of_ioaccel2.
Signed-off-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>