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| author | Stefan Agner <stefan@agner.ch> | 2015-11-16 15:43:34 -0800 |
|---|---|---|
| committer | Stefan Agner <stefan@agner.ch> | 2016-02-25 16:13:16 -0800 |
| commit | 72cc05a5182079a2506c85f2cf4782dca3ac7e21 (patch) | |
| tree | e06012f7f898d2d8652cc0d0233ed89fd3a6f42c | |
| parent | e291d2985b2f7d7e0eb0953d8812d3a06f111ec2 (diff) | |
| download | linux-72cc05a5182079a2506c85f2cf4782dca3ac7e21.tar.bz2 | |
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 <stefan@agner.ch>
| -rw-r--r-- | drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 1 |
2 files changed, 7 insertions, 1 deletions
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 = { |