From: Tomi Valkeinen tomi.valkeinen@ti.com
Allow NULL to be passed in 'dma_addr' for omap_gem_pin(), in case the caller does not need the dma_addr.
Signed-off-by: Tomi Valkeinen tomi.valkeinen@ti.com Reviewed-by: Jean-Jacques Hiblot jjhiblot@ti.com --- drivers/gpu/drm/omapdrm/omap_gem.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 3071e815da73..2ac83cdbb15a 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -817,9 +817,11 @@ int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr) refcount_inc(&omap_obj->dma_addr_cnt); }
- *dma_addr = omap_obj->dma_addr; + if (dma_addr) + *dma_addr = omap_obj->dma_addr; } else if (omap_gem_is_contiguous(omap_obj)) { - *dma_addr = omap_obj->dma_addr; + if (dma_addr) + *dma_addr = omap_obj->dma_addr; } else { ret = -EINVAL; goto fail;