Author: ray
Date: Thu Dec 12 14:49:26 2013
New Revision: 259261
URL: http://svnweb.freebsd.org/changeset/base/259261
Log:
Do not try to probe/attach if attempt to add fbd child are failed.
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/dev/drm2/drm_fb_helper.c
Modified: head/sys/dev/drm2/drm_fb_helper.c
==============================================================================
--- head/sys/dev/drm2/drm_fb_helper.c Thu Dec 12 14:37:25 2013
(r259260)
+++ head/sys/dev/drm2/drm_fb_helper.c Thu Dec 12 14:49:26 2013
(r259261)
@@ -1043,7 +1043,10 @@ int drm_fb_helper_single_fb_probe(struct
kdev = fb_helper->dev->device;
fbd = device_add_child(kdev, "fbd", device_get_unit(kdev));
- ret = device_probe_and_attach(fbd);
+ if (fbd != NULL)
+ ret = device_probe_and_attach(fbd);
+ else
+ ret = ENODEV;
#ifdef DEV_VT
if (ret != 0)
DRM_ERROR("Failed to attach fbd device: %d\n", ret);
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