diff options
| -rw-r--r-- | drivers/scsi/scsi_ioctl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 26f5bc6d9c82..0bba7d8eebb0 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -278,7 +278,7 @@ int scsi_ioctl_send_command(struct scsi_device *sdev, * Obtain the data to be sent to the device (if any). */ - if(copy_from_user(buf, cmd_in + cmdlen, inlen)) + if(inlen && copy_from_user(buf, cmd_in + cmdlen, inlen)) goto error; switch (opcode) { @@ -322,7 +322,7 @@ int scsi_ioctl_send_command(struct scsi_device *sdev, if (copy_to_user(cmd_in, sense, sb_len)) result = -EFAULT; } else { - if (copy_to_user(cmd_in, buf, outlen)) + if (outlen && copy_to_user(cmd_in, buf, outlen)) result = -EFAULT; } |