Hi Andrzej, On 08/28/2014 06:07 PM, Andrzej Hajda wrote: > Since file pointer is preserved in c_node passing it > as argument in node functions is redundant. > > Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx> > --- > drivers/gpu/drm/exynos/exynos_drm_ipp.c | 14 ++++++-------- > 1 file changed, 6 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c > index 05f0f4e..fc8bb67 100644 > --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c > +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c > @@ -529,7 +529,6 @@ static int ipp_put_mem_node(struct drm_device *drm_dev, > > static struct drm_exynos_ipp_mem_node > *ipp_get_mem_node(struct drm_device *drm_dev, > - struct drm_file *file, > struct drm_exynos_ipp_cmd_node *c_node, > struct drm_exynos_ipp_queue_buf *qbuf) > { > @@ -560,7 +559,7 @@ static struct drm_exynos_ipp_mem_node > dma_addr_t *addr; > > addr = exynos_drm_gem_get_dma_addr(drm_dev, > - qbuf->handle[i], file); > + qbuf->handle[i], c_node->filp); > if (IS_ERR(addr)) { > DRM_ERROR("failed to get addr.\n"); > ipp_put_mem_node(drm_dev, c_node, m_node); > @@ -606,7 +605,6 @@ static void ipp_free_event(struct drm_pending_event *event) > } > > static int ipp_get_event(struct drm_device *drm_dev, > - struct drm_file *file, > struct drm_exynos_ipp_cmd_node *c_node, > struct drm_exynos_ipp_queue_buf *qbuf) > { > @@ -618,7 +616,7 @@ static int ipp_get_event(struct drm_device *drm_dev, > e = kzalloc(sizeof(*e), GFP_KERNEL); > if (!e) { > spin_lock_irqsave(&drm_dev->event_lock, flags); > - file->event_space += sizeof(e->event); > + c_node->filp->event_space += sizeof(e->event); > spin_unlock_irqrestore(&drm_dev->event_lock, flags); > return -ENOMEM; > } > @@ -630,7 +628,7 @@ static int ipp_get_event(struct drm_device *drm_dev, > e->event.prop_id = qbuf->prop_id; > e->event.buf_id[EXYNOS_DRM_OPS_DST] = qbuf->buf_id; > e->base.event = &e->event.base; > - e->base.file_priv = file; > + e->base.file_priv = c_node->filp; > e->base.destroy = ipp_free_event; > mutex_lock(&c_node->event_lock); > list_add_tail(&e->base.link, &c_node->event_list); > @@ -899,7 +897,7 @@ int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, > /* find command node */ > c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, > qbuf->prop_id); > - if (!c_node) { > + if (!c_node || c_node->filp != file) { I think this should go to patch 17. Thanks. > DRM_ERROR("failed to get command node.\n"); > return -ENODEV; > } > @@ -908,7 +906,7 @@ int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, > switch (qbuf->buf_type) { > case IPP_BUF_ENQUEUE: > /* get memory node */ > - m_node = ipp_get_mem_node(drm_dev, file, c_node, qbuf); > + m_node = ipp_get_mem_node(drm_dev, c_node, qbuf); > if (IS_ERR(m_node)) { > DRM_ERROR("failed to get m_node.\n"); > return PTR_ERR(m_node); > @@ -921,7 +919,7 @@ int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, > */ > if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) { > /* get event for destination buffer */ > - ret = ipp_get_event(drm_dev, file, c_node, qbuf); > + ret = ipp_get_event(drm_dev, c_node, qbuf); > if (ret) { > DRM_ERROR("failed to get event.\n"); > goto err_clean_node; > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html