diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 5e8c059ce2c929156338372ddc9be5fe8bcd0291..b831740fd7f63bf5fb672119abbefd9ae14bcb56 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -2404,6 +2404,10 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, break; } + if (karg.hdr.ioc_number != ioctl_header.ioc_number) { + ret = -EINVAL; + break; + } if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_command)) { uarg = arg; ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf);