[SCSI] kmalloc + memset conversion to kzalloc

In NCR_D700, a4000t, aic7xxx_old, bvme6000, dpt_i2o, gdth, lpfc,
megaraid, mvme16x osst, pluto, qla2xxx, zorro7xx

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 17d7dc0..cd67493 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -202,10 +202,9 @@
 	dma_addr_t pdma_phys;
 	uint16_t iotag;
 
-	psb = kmalloc(sizeof(struct lpfc_scsi_buf), GFP_KERNEL);
+	psb = kzalloc(sizeof(struct lpfc_scsi_buf), GFP_KERNEL);
 	if (!psb)
 		return NULL;
-	memset(psb, 0, sizeof (struct lpfc_scsi_buf));
 
 	/*
 	 * Get memory from the pci pool to map the virt space to pci bus space