diff options
Diffstat (limited to 'drivers/misc/mei/amthif.c')
| -rw-r--r-- | drivers/misc/mei/amthif.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index b75a7da1ca84..2052609b167a 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -244,8 +244,10 @@ int mei_amthif_read(struct mei_device *dev, struct file *file, * the buf_idx may point beyond */ length = min_t(size_t, length, (cb->buf_idx - *offset)); - if (copy_to_user(ubuf, cb->response_buffer.data + *offset, length)) + if (copy_to_user(ubuf, cb->response_buffer.data + *offset, length)) { + dev_dbg(&dev->pdev->dev, "failed to copy data to userland\n"); rets = -EFAULT; + } else { rets = length; if ((*offset + length) < cb->buf_idx) { |