On Wed, Feb 19, 2020 at 3:47 PM Laurent Pinchart
wrote:
>
> Hi Daniel,
>
> Thank you for the patch.
>
> On Wed, Feb 19, 2020 at 11:20:53AM +0100, Daniel Vetter wrote:
> > The cleanup here is somewhat tricky, since we can't tell apart the
> > allocated minor index from 0. So register a cleanup
Hi Daniel,
Thank you for the patch.
On Wed, Feb 19, 2020 at 11:20:53AM +0100, Daniel Vetter wrote:
> The cleanup here is somewhat tricky, since we can't tell apart the
> allocated minor index from 0. So register a cleanup action first, and
> if the index allocation fails, unregister that cleanup
The cleanup here is somewhat tricky, since we can't tell apart the
allocated minor index from 0. So register a cleanup action first, and
if the index allocation fails, unregister that cleanup action again to
avoid bad mistakes.
The kdev for the minor already handles NULL, so no problem there.