scsi: pmcraid: Replace dma_pool_malloc with dma_pool_zalloc

Replace dma_pool_malloc with dma_pool_zalloc to make the code more concise
in pmcraid_allocate_control_blocks() function.

Link: https://lore.kernel.org/r/1587197241-274646-1-git-send-email-wubo40@huawei.com
Signed-off-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 7eb88fe..aa9ae2a 100644 (file)
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -4652,7 +4652,7 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance)
 
        for (i = 0; i < PMCRAID_MAX_CMD; i++) {
                pinstance->cmd_list[i]->ioa_cb =
-                       dma_pool_alloc(
+                       dma_pool_zalloc(
                                pinstance->control_pool,
                                GFP_KERNEL,
                                &(pinstance->cmd_list[i]->ioa_cb_bus_addr));
@@ -4661,8 +4661,6 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance)
                        pmcraid_release_control_blocks(pinstance, i);
                        return -ENOMEM;
                }
-               memset(pinstance->cmd_list[i]->ioa_cb, 0,
-                       sizeof(struct pmcraid_control_block));
        }
        return 0;
 }