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-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 46c4f1b..9480c55 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1000,9 +1000,12 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
}
memset(psb->data, 0, phba->cfg_sg_dma_buf_size);
- /* Page alignment is CRITICAL, double check to be sure */
- if (((unsigned long)(psb->data) &
- (unsigned long)(SLI4_PAGE_SIZE - 1)) != 0) {
+ /*
+ * 4K Page alignment is CRITICAL to BlockGuard, double check
+ * to be sure.
+ */
+ if (phba->cfg_enable_bg && (((unsigned long)(psb->data) &
+ (unsigned long)(SLI4_PAGE_SIZE - 1)) != 0)) {
pci_pool_free(phba->lpfc_scsi_dma_buf_pool,
psb->data, psb->dma_handle);
kfree(psb);
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