svn commit: r339582 - head/sys/dev/sound/midi

[Konstantin Belousov]

On Mon, Oct 22, 2018 at 08:58:28AM +0000, Hans Petter Selasky wrote:
> Author: hselasky
> Date: Mon Oct 22 08:58:27 2018
> New Revision: 339582
> URL: https://svnweb.freebsd.org/changeset/base/339582
> 
> Log:
>   Drop sequencer mutex around uiomove() and make sure we don't move more bytes
>   than is available, else a panic might happen.
And why it is safe to drop the mutex ?
If it is safe to drop, why do you need the mutex at all ?