[PATCH] drm: Add the missing symbol '.'

[oushixiong1025]

From: Shixiong Ou <oushixiong@xxxxxxxxxx>

Signed-off-by: Shixiong Ou <oushixiong@xxxxxxxxxx>
---
 drivers/gpu/drm/drm_probe_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index bb49d552e671..285290067056 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -888,7 +888,7 @@ EXPORT_SYMBOL(drm_kms_helper_is_poll_worker);
  * disabled. Polling is re-enabled by calling drm_kms_helper_poll_enable().
  *
  * If however, the polling was never initialized, this call will trigger a
- * warning and return
+ * warning and return.
  *
  * Note that calls to enable and disable polling must be strictly ordered, which
  * is automatically the case when they're only call from suspend/resume
-- 
2.25.1