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-rw-r--r--sys/dev/pci/drm/drmP.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/drmP.h b/sys/dev/pci/drm/drmP.h
index 7f4fe148735..d36eed410f3 100644
--- a/sys/dev/pci/drm/drmP.h
+++ b/sys/dev/pci/drm/drmP.h
@@ -148,7 +148,8 @@ enum {
#define DRM_AGP_MEM struct agp_memory_info
/* D_CLONE only supports one device, this will be fixed eventually */
-#define drm_get_device_from_kdev(_kdev) drm_cd.cd_devs[0]
+#define drm_get_device_from_kdev(_kdev) \
+ (drm_cd.cd_ndevs > 0 ? drm_cd.cd_devs[0] : NULL)
#if 0
#define drm_get_device_from_kdev(_kdev) \
(minor(_kdev) < drm_cd.cd_ndevs) ? drm_cd.cd_devs[minor(_kdev)] : NULL