Hibmc use the devm_drm_dev_alloc function in hibmc_pci_probe, if hibmc_pci_probe returns non-zero, devm_drm_dev_alloc will call devm_drm_dev_init, which will call devm_drm_dev_init_release to release drm_dev_put. There is no need for hibmc to call drm_dev_put separately. Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx> --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 7159018..0d4e902 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -332,13 +332,13 @@ static int hibmc_pci_probe(struct pci_dev *pdev, ret = pcim_enable_device(pdev); if (ret) { drm_err(dev, "failed to enable pci device: %d\n", ret); - goto err_free; + goto err_return; } ret = hibmc_load(dev); if (ret) { drm_err(dev, "failed to load hibmc: %d\n", ret); - goto err_free; + goto err_return; } ret = drm_dev_register(dev, 0); @@ -354,9 +354,7 @@ static int hibmc_pci_probe(struct pci_dev *pdev, err_unload: hibmc_unload(dev); -err_free: - drm_dev_put(dev); - +err_return: return ret; } -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel