From: Lv Ruyi <lv.ruyi@xxxxxxxxxx> [ Upstream commit b9e4f1d2b505df8e2439b63e67afaa287c1c43e2 ] The irq_of_parse_and_map() function returns 0 on failure, and does not return an negative value. Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Signed-off-by: Lv Ruyi <lv.ruyi@xxxxxxxxxx> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Patchwork: https://patchwork.freedesktop.org/patch/483175/ Link: https://lore.kernel.org/r/20220424031959.3172406-1-lv.ruyi@xxxxxxxxxx Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c index e193865ce9a2..9baaaef706ab 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -598,9 +598,9 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) pdev = mdp5_kms->pdev; irq = irq_of_parse_and_map(pdev->dev.of_node, 0); - if (irq < 0) { - ret = irq; - DRM_DEV_ERROR(&pdev->dev, "failed to get irq: %d\n", ret); + if (!irq) { + ret = -EINVAL; + DRM_DEV_ERROR(&pdev->dev, "failed to get irq\n"); goto fail; } -- 2.35.1
