1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index f2f6429ab04f..99e67517b5c5 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -338,6 +338,9 @@ void drm_minor_release(struct drm_minor *minor)
 
 static int drm_dev_set_unique(struct drm_device *dev, const char *name)
 {
+        if (!name)
+                return -EINVAL;
+
         kfree(dev->unique);
         dev->unique = kstrdup(name, GFP_KERNEL);