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-rw-r--r--drivers/scsi/esas2r/esas2r_ioctl.c2
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c12
-rw-r--r--drivers/scsi/scsi_ioctl.c20
3 files changed, 11 insertions, 23 deletions
diff --git a/drivers/scsi/esas2r/esas2r_ioctl.c b/drivers/scsi/esas2r/esas2r_ioctl.c
index 442c5e70a7b4..cc620f10eabc 100644
--- a/drivers/scsi/esas2r/esas2r_ioctl.c
+++ b/drivers/scsi/esas2r/esas2r_ioctl.c
@@ -1510,7 +1510,7 @@ ioctl_done:
}
/* Always copy the buffer back, if only to pick up the status */
- err = __copy_to_user(arg, ioctl, sizeof(struct atto_express_ioctl));
+ err = copy_to_user(arg, ioctl, sizeof(struct atto_express_ioctl));
if (err != 0) {
esas2r_log(ESAS2R_LOG_WARN,
"ioctl_handler copy_to_user didn't copy everything (err %d, cmd %u)",
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 8a6e02aa553f..5a754fb5f854 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -2166,10 +2166,6 @@ lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf,
char *pbuf;
int i;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
-
memset(mybuf, 0, sizeof(mybuf));
if (copy_from_user(mybuf, buf, nbytes))
@@ -2621,10 +2617,6 @@ lpfc_debugfs_multixripools_write(struct file *file, const char __user *buf,
if (nbytes > 64)
nbytes = 64;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
-
memset(mybuf, 0, sizeof(mybuf));
if (copy_from_user(mybuf, buf, nbytes))
@@ -2787,10 +2779,6 @@ lpfc_debugfs_scsistat_write(struct file *file, const char __user *buf,
char mybuf[6] = {0};
int i;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
-
if (copy_from_user(mybuf, buf, (nbytes >= sizeof(mybuf)) ?
(sizeof(mybuf) - 1) : nbytes))
return -EFAULT;
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 8f3af87b6bb0..45d04b7b2643 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -211,18 +211,18 @@ static int scsi_ioctl_common(struct scsi_device *sdev, int cmd, void __user *arg
}
switch (cmd) {
- case SCSI_IOCTL_GET_IDLUN:
- if (!access_ok(arg, sizeof(struct scsi_idlun)))
+ case SCSI_IOCTL_GET_IDLUN: {
+ struct scsi_idlun v = {
+ .dev_id = (sdev->id & 0xff)
+ + ((sdev->lun & 0xff) << 8)
+ + ((sdev->channel & 0xff) << 16)
+ + ((sdev->host->host_no & 0xff) << 24),
+ .host_unique_id = sdev->host->unique_id
+ };
+ if (copy_to_user(arg, &v, sizeof(struct scsi_idlun)))
return -EFAULT;
-
- __put_user((sdev->id & 0xff)
- + ((sdev->lun & 0xff) << 8)
- + ((sdev->channel & 0xff) << 16)
- + ((sdev->host->host_no & 0xff) << 24),
- &((struct scsi_idlun __user *)arg)->dev_id);
- __put_user(sdev->host->unique_id,
- &((struct scsi_idlun __user *)arg)->host_unique_id);
return 0;
+ }
case SCSI_IOCTL_GET_BUS_NUMBER:
return put_user(sdev->host->host_no, (int __user *)arg);
case SCSI_IOCTL_PROBE_HOST: