scsi: qedi: remove declaration of nvm_image from stack
authorColin Ian King <colin.king@canonical.com>
Wed, 27 Mar 2019 18:11:03 +0000 (18:11 +0000)
committerMartin K. Petersen <martin.petersen@oracle.com>
Fri, 29 Mar 2019 14:02:51 +0000 (10:02 -0400)
The nvm_image is a large struct qedi_nvm_iscsi_image object of over 24K so
don't declare it on the stack just for a sizeof requirement; use sizeof on
struct qedi_nvm_iscsi_image instead.

Fixes: c77a2fa3ff8f ("scsi: qedi: Add the CRC size within iSCSI NVM image")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/qedi/qedi_main.c

index e74a62448ba466a58c2365546b5d1fc34bafa8e9..e5db9a9954dc0cd015577686c8bdb5efda9f78de 100644 (file)
@@ -1392,10 +1392,8 @@ static void qedi_free_nvm_iscsi_cfg(struct qedi_ctx *qedi)
 
 static int qedi_alloc_nvm_iscsi_cfg(struct qedi_ctx *qedi)
 {
-       struct qedi_nvm_iscsi_image nvm_image;
-
        qedi->iscsi_image = dma_alloc_coherent(&qedi->pdev->dev,
-                                              sizeof(nvm_image),
+                                              sizeof(struct qedi_nvm_iscsi_image),
                                               &qedi->nvm_buf_dma, GFP_KERNEL);
        if (!qedi->iscsi_image) {
                QEDI_ERR(&qedi->dbg_ctx, "Could not allocate NVM BUF.\n");
@@ -2236,14 +2234,13 @@ static void qedi_boot_release(void *data)
 static int qedi_get_boot_info(struct qedi_ctx *qedi)
 {
        int ret = 1;
-       struct qedi_nvm_iscsi_image nvm_image;
 
        QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
                  "Get NVM iSCSI CFG image\n");
        ret = qedi_ops->common->nvm_get_image(qedi->cdev,
                                              QED_NVM_IMAGE_ISCSI_CFG,
                                              (char *)qedi->iscsi_image,
-                                             sizeof(nvm_image));
+                                             sizeof(struct qedi_nvm_iscsi_image));
        if (ret)
                QEDI_ERR(&qedi->dbg_ctx,
                         "Could not get NVM image. ret = %d\n", ret);