scsi: qla2xxx: Check correct variable in qla24xx_async_gffid()

scsi: qla2xxx: Check correct variable in qla24xx_async_gffid()

[ Upstream commit bf2e4c5d29d675bf3c47a613b3c086c0df5b1528 ]

There is a copy and paste bug here.  It should check ".rsp" instead of
".req".  The error message is copy and pasted as well so update that too.

Link: https://lore.kernel.org/r/YrK1A/t3L6HKnswO@kili
Fixes: 3dc520a3e629 ("scsi: qla2xxx: edif: Reduce Initiator-Initiator thrashing")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>