[PATCH] dmx: Fix null pointer dereference

[Adam Jackson]

On Sun, 2017-03-12 at 14:21 +0100, Tobias Stoeckmann wrote:
> A null pointer dereference can occur in dmxSync, because TimerForce
> does not handle a null pointer.
> 
> dmxSyncTimer is set to NULL a few lines above on a certain condition,
> which happened on my machine. The explicit NULL check allowed me to
> start Xdmx again without a segmentation fault.

Merged, thanks:

remote: I: patch #143633 updated using rev 21eda7464d0e13ac6558edaf6531c3d3251e05df.
remote: I: 1 patch(es) updated to state Accepted.
To ssh://git.freedesktop.org/git/xorg/xserver
   5cdfcde..21eda74  master -> master

- ajax