drm/nv50/pm: free state struct after setting clocks

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c
index bf9fd95..53b6c6c 100644
--- a/drivers/gpu/drm/nouveau/nv50_pm.c
+++ b/drivers/gpu/drm/nouveau/nv50_pm.c
@@ -619,6 +619,7 @@
 	ret = -EBUSY;
 resume:
 	nv_mask(dev, 0x002504, 0x00000001, 0x00000000);
+	kfree(info);
 	return ret;
 }