diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index bae52bd5bdd2..f4ea52d11945 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -202,7 +202,8 @@ static int nvme_submit_user_cmd(struct request_queue *q, return ret; } -static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio) +static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio, + unsigned int flags, bool open_for_write) { struct nvme_user_io io; struct nvme_command c; @@ -260,6 +261,9 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio) c.rw.lbat = cpu_to_le16(io.apptag); c.rw.lbatm = cpu_to_le16(io.appmask); + if (!nvme_cmd_allowed(ns, &c, flags, open_for_write)) + return -EACCES; + return nvme_submit_user_cmd(ns->queue, &c, io.addr, length, metadata, meta_len, NULL, 0, 0); } @@ -595,7 +599,7 @@ static int nvme_ns_ioctl(struct nvme_ns *ns, unsigned int cmd, case NVME_IOCTL_SUBMIT_IO32: #endif case NVME_IOCTL_SUBMIT_IO: - return nvme_submit_io(ns, argp); + return nvme_submit_io(ns, argp, flags, open_for_write); case NVME_IOCTL_IO64_CMD_VEC: flags |= NVME_IOCTL_VEC; fallthrough;