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authorLiu Ying <victor.liu@nxp.com>2022-01-28 17:19:44 +0800
committerPhilipp Zabel <p.zabel@pengutronix.de>2022-04-04 09:37:42 +0200
commite8083acc3f8cc2097917018e947fd4c857f60454 (patch)
tree9c717f02d966db9fe54430f84759fb9f7af3a06c
parentdrm/imx: Fix memory leak in imx_pd_connector_get_modes (diff)
downloadlinux-dev-e8083acc3f8cc2097917018e947fd4c857f60454.tar.xz
linux-dev-e8083acc3f8cc2097917018e947fd4c857f60454.zip
drm/imx: dw_hdmi-imx: Fix bailout in error cases of probe
In dw_hdmi_imx_probe(), if error happens after dw_hdmi_probe() returns successfully, dw_hdmi_remove() should be called where necessary as bailout. Fixes: c805ec7eb210 ("drm/imx: dw_hdmi-imx: move initialization into probe") Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Signed-off-by: Liu Ying <victor.liu@nxp.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Link: https://lore.kernel.org/r/20220128091944.3831256-1-victor.liu@nxp.com
-rw-r--r--drivers/gpu/drm/imx/dw_hdmi-imx.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c
index 87428fb23d9f..a2277a0d6d06 100644
--- a/drivers/gpu/drm/imx/dw_hdmi-imx.c
+++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c
@@ -222,6 +222,7 @@ static int dw_hdmi_imx_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
const struct of_device_id *match = of_match_node(dw_hdmi_imx_dt_ids, np);
struct imx_hdmi *hdmi;
+ int ret;
hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
if (!hdmi)
@@ -243,10 +244,15 @@ static int dw_hdmi_imx_probe(struct platform_device *pdev)
hdmi->bridge = of_drm_find_bridge(np);
if (!hdmi->bridge) {
dev_err(hdmi->dev, "Unable to find bridge\n");
+ dw_hdmi_remove(hdmi->hdmi);
return -ENODEV;
}
- return component_add(&pdev->dev, &dw_hdmi_imx_ops);
+ ret = component_add(&pdev->dev, &dw_hdmi_imx_ops);
+ if (ret)
+ dw_hdmi_remove(hdmi->hdmi);
+
+ return ret;
}
static int dw_hdmi_imx_remove(struct platform_device *pdev)