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Do not try to probe/attach if attempt to add fbd child are failed.

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Aleksandr Rybalko 2013-12-12 14:49:26 +00:00
parent ca187878c0
commit c3ebd5edbc
1 changed files with 4 additions and 1 deletions
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5
sys/dev/drm2/drm_fb_helper.c
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@ -1043,7 +1043,10 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
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);