mlx5: Return -EFAULT instead of -EPERM
For copy_to/from_user() failure, the correct error code is -EFAULT not
-EPERM.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index e2daa8f..bd41df9 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -171,7 +171,7 @@
int c;
if (copy_from_user(lbuf, buf, sizeof(lbuf)))
- return -EPERM;
+ return -EFAULT;
c = order2idx(dev, ent->order);
lbuf[sizeof(lbuf) - 1] = 0;
@@ -208,7 +208,7 @@
return err;
if (copy_to_user(buf, lbuf, err))
- return -EPERM;
+ return -EFAULT;
*pos += err;
@@ -233,7 +233,7 @@
int c;
if (copy_from_user(lbuf, buf, sizeof(lbuf)))
- return -EPERM;
+ return -EFAULT;
c = order2idx(dev, ent->order);
lbuf[sizeof(lbuf) - 1] = 0;
@@ -270,7 +270,7 @@
return err;
if (copy_to_user(buf, lbuf, err))
- return -EPERM;
+ return -EFAULT;
*pos += err;