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| author | Himanshu Jha <himanshujha199640@gmail.com> | 2017-12-30 20:58:24 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-01-04 01:07:58 -0500 |
| commit | d103adb30049e293348ba6c71f5bc6636ffbeaef (patch) | |
| tree | 59e36be40d0f9d1f3b7de9e98a06028669bbdfeb /drivers/scsi/qla4xxx/ql4_mbx.c | |
| parent | bef4e68830a102142fc4cb0c0ad4f1877d2ee557 (diff) | |
| download | lwn-d103adb30049e293348ba6c71f5bc6636ffbeaef.tar.gz lwn-d103adb30049e293348ba6c71f5bc6636ffbeaef.zip | |
scsi: qla4xxx: Use zeroing allocator rather than allocator/memset
Use dma_zalloc_coherent instead of dma_alloc_coherent followed by memset
0.
Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_mbx.c')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_mbx.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index 1da04f323d38..bda2e64ee5ca 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -625,15 +625,14 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha) uint32_t mbox_sts[MBOX_REG_COUNT]; int status = QLA_ERROR; - init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, - sizeof(struct addr_ctrl_blk), - &init_fw_cb_dma, GFP_KERNEL); + init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev, + sizeof(struct addr_ctrl_blk), + &init_fw_cb_dma, GFP_KERNEL); if (init_fw_cb == NULL) { DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no, __func__)); goto exit_init_fw_cb_no_free; } - memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); /* Get Initialize Firmware Control Block. */ memset(&mbox_cmd, 0, sizeof(mbox_cmd)); @@ -710,9 +709,9 @@ int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha) uint32_t mbox_cmd[MBOX_REG_COUNT]; uint32_t mbox_sts[MBOX_REG_COUNT]; - init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, - sizeof(struct addr_ctrl_blk), - &init_fw_cb_dma, GFP_KERNEL); + init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev, + sizeof(struct addr_ctrl_blk), + &init_fw_cb_dma, GFP_KERNEL); if (init_fw_cb == NULL) { printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no, __func__); @@ -720,7 +719,6 @@ int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha) } /* Get Initialize Firmware Control Block. */ - memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) != QLA_SUCCESS) { DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n", @@ -1342,16 +1340,15 @@ int qla4xxx_about_firmware(struct scsi_qla_host *ha) uint32_t mbox_sts[MBOX_REG_COUNT]; int status = QLA_ERROR; - about_fw = dma_alloc_coherent(&ha->pdev->dev, - sizeof(struct about_fw_info), - &about_fw_dma, GFP_KERNEL); + about_fw = dma_zalloc_coherent(&ha->pdev->dev, + sizeof(struct about_fw_info), + &about_fw_dma, GFP_KERNEL); if (!about_fw) { DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory " "for about_fw\n", __func__)); return status; } - memset(about_fw, 0, sizeof(struct about_fw_info)); memset(&mbox_cmd, 0, sizeof(mbox_cmd)); memset(&mbox_sts, 0, sizeof(mbox_sts)); |