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charset="utf-8" Make IS_ERR() judge the mipi_dsi_device_register_full() function return in nt35950_probe(). Signed-off-by: Minjie Du --- drivers/gpu/drm/panel/panel-novatek-nt35950.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/dr= m/panel/panel-novatek-nt35950.c index 8b108ac80..4903bbf1d 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt35950.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt35950.c @@ -571,7 +571,7 @@ static int nt35950_probe(struct mipi_dsi_device *dsi) } =20 nt->dsi[1] =3D mipi_dsi_device_register_full(dsi_r_host, info); - if (!nt->dsi[1]) { + if (IS_ERR(nt->dsi[1])) { dev_err(dev, "Cannot get secondary DSI node\n"); return -ENODEV; } --=20 2.39.0