[bug report] drm/bridge: add a driver for T-Head TH1520 HDMI controller

Dan Carpenter error27 at gmail.com
Fri Apr 10 03:11:59 PDT 2026


Hello Icenowy Zheng,

Commit 96f30ee0fb9d ("drm/bridge: add a driver for T-Head TH1520 HDMI
controller") from Jan 29, 2026 (linux-next), leads to the following
Smatch static checker warning:

	drivers/gpu/drm/bridge/th1520-dw-hdmi.c:139 th1520_dw_hdmi_probe()
	warn: 'hdmi' isn't an ERR_PTR

drivers/gpu/drm/bridge/th1520-dw-hdmi.c
    133         plat_data->output_port = 1;
    134         plat_data->mode_valid = th1520_hdmi_mode_valid;
    135         plat_data->configure_phy = th1520_hdmi_phy_configure;
    136         plat_data->priv_data = hdmi;
    137 
    138         hdmi->dw_hdmi = dw_hdmi_probe(pdev, plat_data);
--> 139         if (IS_ERR(hdmi))
    140                 return PTR_ERR(hdmi);

s/hdmi/hdmi->dw_hdmi/

    141 
    142         platform_set_drvdata(pdev, hdmi);
    143 
    144         return 0;
    145 }

This email is a free service from the Smatch-CI project [smatch.sf.net].

regards,
dan carpenter



More information about the linux-riscv mailing list