From mboxrd@z Thu Jan 1 00:00:00 1970 From: linus.walleij@linaro.org (Linus Walleij) Date: Fri, 26 Jan 2018 14:20:30 +0100 Subject: [PATCH 1/4] drm/pl111: Error handling for CMA framebuffer Message-ID: <20180126132033.19744-1-linus.walleij@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org When attaching the CMA framebuffer we need to check for returned error pointers. Signed-off-by: Linus Walleij --- drivers/gpu/drm/pl111/pl111_drv.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c index 101a9c7db6ff..31a0c4268cc6 100644 --- a/drivers/gpu/drm/pl111/pl111_drv.c +++ b/drivers/gpu/drm/pl111/pl111_drv.c @@ -141,6 +141,11 @@ static int pl111_modeset_init(struct drm_device *dev) priv->fbdev = drm_fbdev_cma_init(dev, 32, dev->mode_config.num_connector); + if (IS_ERR(priv->fbdev)) { + dev_err(dev->dev, "Failed to initialize CMA framebuffer\n"); + ret = PTR_ERR(priv->fbdev); + goto out_bridge; + } drm_kms_helper_poll_init(dev); -- 2.14.3