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-rw-r--r--drivers/nvme/host/core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 7fd5a7ac8375..ba1501514128 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -374,6 +374,8 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
if (copy_from_user(&io, uio, sizeof(io)))
return -EFAULT;
+ if (io.flags)
+ return -EINVAL;
switch (io.opcode) {
case nvme_cmd_write:
@@ -425,6 +427,8 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
return -EACCES;
if (copy_from_user(&cmd, ucmd, sizeof(cmd)))
return -EFAULT;
+ if (cmd.flags)
+ return -EINVAL;
memset(&c, 0, sizeof(c));
c.common.opcode = cmd.opcode;