svn commit: r354082 - head/sys/dev/superio

[Andriy Gapon]

Author: avg
Date: Fri Oct 25 16:30:24 2019
New Revision: 354082
URL: https://svnweb.freebsd.org/changeset/base/354082

Log:
  superio: do not crash if failed to create the character device
  
  MFC after:	1 week

Modified:
  head/sys/dev/superio/superio.c

Modified: head/sys/dev/superio/superio.c
==============================================================================
--- head/sys/dev/superio/superio.c	Fri Oct 25 16:29:09 2019	(r354081)
+++ head/sys/dev/superio/superio.c	Fri Oct 25 16:30:24 2019	(r354082)
@@ -636,7 +636,8 @@ superio_attach(device_t dev)
 	    UID_ROOT, GID_WHEEL, 0600, "superio%d", device_get_unit(dev));
 	if (sc->chardev == NULL)
 		device_printf(dev, "failed to create character device\n");
-	sc->chardev->si_drv1 = sc;
+	else
+		sc->chardev->si_drv1 = sc;
 	return (0);
 }