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(parent: f860b36) | patch
vfio-mdev: return -EFAULT if copy_to_user() fails
authorDan Carpenter <dan.carpenter@oracle.com>
Sat, 7 Jan 2017 06:27:49 +0000 (09:27 +0300)
committerAlex Williamson <alex.williamson@redhat.com>
Wed, 11 Jan 2017 19:06:35 +0000 (12:06 -0700)
commit093adb3e4ed80276e67becc8774180b52b8487ad
treed887337ec8e4b492163467fc95ef5672d35160aatree | snapshot
parentf860b361d801aefbaf73e56bea0acfd26ed6e227commit | diff
vfio-mdev: return -EFAULT if copy_to_user() fails

The copy_to_user() function returns the number of bytes which it wasn't
able to copy but we want to return a negative error code.

Fixes: d63fc4344b67 ("docs: Sample driver to demonstrate how to use Mediated device framework.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
samples/vfio-mdev/mtty.c diff | blob | history
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