From: Arvind Yadav Date: Fri, 17 Nov 2017 16:06:06 +0530 Subject: drm/sti: Handle return value of platform_get_irq_byname Git-commit: c83ecfa5851f4d35be88f32dabb3a53f51cf5c32 Patch-mainline: v4.16-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 platform_get_irq_byname() can fail here and we must check its return value. Signed-off-by: Arvind Yadav Signed-off-by: Benjamin Gaignard Link: https://patchwork.freedesktop.org/patch/msgid/f4b4f1b2cfa5e302ef7ffad4e3efb0d3147709d3.1510914877.git.arvind.yadav.cs@gmail.com Acked-by: Petr Tesarik --- drivers/gpu/drm/sti/sti_hdmi.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -1413,6 +1413,11 @@ static int sti_hdmi_probe(struct platfor init_waitqueue_head(&hdmi->wait_event); hdmi->irq = platform_get_irq_byname(pdev, "irq"); + if (hdmi->irq < 0) { + DRM_ERROR("Cannot get HDMI irq\n"); + ret = hdmi->irq; + goto release_adapter; + } ret = devm_request_threaded_irq(dev, hdmi->irq, hdmi_irq, hdmi_irq_thread, IRQF_ONESHOT, dev_name(dev), hdmi);