For copy_to/from_user() failure, the correct error code is -EFAULT not -EPERM. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> 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 @@ static ssize_t size_write(struct file *filp, const char __user *buf, 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 @@ static ssize_t size_read(struct file *filp, char __user *buf, size_t count, return err; if (copy_to_user(buf, lbuf, err)) - return -EPERM; + return -EFAULT; *pos += err; @@ -233,7 +233,7 @@ static ssize_t limit_write(struct file *filp, const char __user *buf, 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 @@ static ssize_t limit_read(struct file *filp, char __user *buf, size_t count, return err; if (copy_to_user(buf, lbuf, err)) - return -EPERM; + return -EFAULT; *pos += err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index c1c0eef..205753a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -693,7 +693,7 @@ static ssize_t dbg_write(struct file *filp, const char __user *buf, return -ENOMEM; if (copy_from_user(lbuf, buf, sizeof(lbuf))) - return -EPERM; + return -EFAULT; lbuf[sizeof(lbuf) - 1] = 0; @@ -889,7 +889,7 @@ static ssize_t data_write(struct file *filp, const char __user *buf, return -ENOMEM; if (copy_from_user(ptr, buf, count)) { - err = -EPERM; + err = -EFAULT; goto out; } dbg->in_msg = ptr; @@ -919,7 +919,7 @@ static ssize_t data_read(struct file *filp, char __user *buf, size_t count, copy = min_t(int, count, dbg->outlen); if (copy_to_user(buf, dbg->out_msg, copy)) - return -EPERM; + return -EFAULT; *pos += copy; @@ -949,7 +949,7 @@ static ssize_t outlen_read(struct file *filp, char __user *buf, size_t count, return err; if (copy_to_user(buf, &outlen, err)) - return -EPERM; + return -EFAULT; *pos += err; @@ -974,7 +974,7 @@ static ssize_t outlen_write(struct file *filp, const char __user *buf, dbg->outlen = 0; if (copy_from_user(outlen_str, buf, count)) - return -EPERM; + return -EFAULT; outlen_str[7] = 0; -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html