drm/omap: clear omap_obj->paddr in omap_gem_put_paddr()

Clear omap_obj's paddr when unmapping the memory, so that it's easier to
catch bad use of the paddr.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
index aeb91ed..9b250c9 100644 (file)
--- a/drivers/gpu/drm/omapdrm/omap_gem.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem.c
@@ -828,6 +828,7 @@ int omap_gem_put_paddr(struct drm_gem_object *obj)
                                dev_err(obj->dev->dev,
                                        "could not release unmap: %d\n", ret);
                        }
+                       omap_obj->paddr = 0;
                        omap_obj->block = NULL;
                }
        }