[PATCH 7/7] nvme: allow send fused commands

[Dmitry Bogdanov]

Allow a user to pass fused flags for the commands.

Signed-off-by: Dmitry Bogdanov <d.bogdanov at yadro.com>
---
 drivers/nvme/host/ioctl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c
index 1d769c842fbf..affedac90f04 100644
--- a/drivers/nvme/host/ioctl.c
+++ b/drivers/nvme/host/ioctl.c
@@ -220,7 +220,7 @@ 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)
+	if (io.flags & 0xFC)
 		return -EINVAL;
 
 	switch (io.opcode) {
@@ -299,7 +299,7 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
 
 	if (copy_from_user(&cmd, ucmd, sizeof(cmd)))
 		return -EFAULT;
-	if (cmd.flags)
+	if (cmd.flags & 0xFC)
 		return -EINVAL;
 	if (!nvme_validate_passthru_nsid(ctrl, ns, cmd.nsid))
 		return -EINVAL;
@@ -346,7 +346,7 @@ static int nvme_user_cmd64(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
 
 	if (copy_from_user(&cmd, ucmd, sizeof(cmd)))
 		return -EFAULT;
-	if (cmd.flags)
+	if (cmd.flags & 0xFC)
 		return -EINVAL;
 	if (!nvme_validate_passthru_nsid(ctrl, ns, cmd.nsid))
 		return -EINVAL;
-- 
2.25.1