drm/exynos/ipp: cancel works before command node clean

All pending works should be canceled prior to its removal.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index da917caacce0fcb763b7b35c719dcf65754b6133..97709664b7c2a3845ea7d15c465506c5f6d93ad3 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -502,6 +502,11 @@ err_clear:
 static void ipp_clean_cmd_node(struct ipp_context *ctx,
                                struct drm_exynos_ipp_cmd_node *c_node)
 {
+       /* cancel works */
+       cancel_work_sync(&c_node->start_work->work);
+       cancel_work_sync(&c_node->stop_work->work);
+       cancel_work_sync(&c_node->event_work->work);
+
        /* delete list */
        list_del(&c_node->list);