From 72cc05a5182079a2506c85f2cf4782dca3ac7e21 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Mon, 16 Nov 2015 15:43:34 -0800 Subject: drm/fsl-dcu: avoid memory leak on errors Improve error handling during CRTC initialization. Especially avoid memory leaks in the primary plane initialization error path. Signed-off-by: Stefan Agner --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c | 7 ++++++- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/fsl-dcu') diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c index f0285c41b29c..62377e41745b 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c @@ -143,10 +143,15 @@ int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device *fsl_dev) int ret; primary = fsl_dcu_drm_primary_create_plane(fsl_dev->drm); + if (!primary) + return -ENOMEM; + ret = drm_crtc_init_with_planes(fsl_dev->drm, crtc, primary, NULL, &fsl_dcu_drm_crtc_funcs, NULL); - if (ret < 0) + if (ret) { + primary->funcs->destroy(primary); return ret; + } drm_crtc_helper_add(crtc, &fsl_dcu_drm_crtc_helper_funcs); diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c index 040ba6bee08d..1ea70314be1d 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c @@ -187,6 +187,7 @@ static const struct drm_plane_helper_funcs fsl_dcu_drm_plane_helper_funcs = { static void fsl_dcu_drm_plane_destroy(struct drm_plane *plane) { drm_plane_cleanup(plane); + kfree(plane); } static const struct drm_plane_funcs fsl_dcu_drm_plane_funcs = { -- cgit v1.2.3