From 6a1d4c7976dd1ee7c9f80bc8e62801ec7b1f2f58 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 15 Sep 2023 15:59:40 +0300 Subject: [PATCH] drm/msm/dsi: fix irq_of_parse_and_map() error checking The irq_of_parse_and_map() function returns zero on error. It never returns negative error codes. Fix the check. Fixes: a689554ba6ed ("drm/msm: Initial add DSI connector support") Signed-off-by: Dan Carpenter Reviewed-by: Konrad Dybcio Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/557715/ Link: https://lore.kernel.org/r/4f3c5c98-04f7-43f7-900f-5d7482c83eef@moroto.mountain Signed-off-by: Abhinav Kumar --- drivers/gpu/drm/msm/dsi/dsi_host.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 4da4507..3d6fb70 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1906,10 +1906,9 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) } msm_host->irq = irq_of_parse_and_map(pdev->dev.of_node, 0); - if (msm_host->irq < 0) { - ret = msm_host->irq; - dev_err(&pdev->dev, "failed to get irq: %d\n", ret); - return ret; + if (!msm_host->irq) { + dev_err(&pdev->dev, "failed to get irq\n"); + return -EINVAL; } /* do not autoenable, will be enabled later */ -- 2.7.4