The platform_get_irq() function returns negative error codes. It never returns zero. Fix the check accordingly. Fixes: 82c2a5751227 ("drm/msm/dp: tie dp_display_irq_handler() with dp driver") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/gpu/drm/msm/dp/dp_display.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 61b7103498a7..d80cb3d14c6b 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1166,9 +1166,9 @@ static int dp_display_request_irq(struct dp_display_private *dp) struct platform_device *pdev = dp->dp_display.pdev; dp->irq = platform_get_irq(pdev, 0); - if (!dp->irq) { + if (dp->irq < 0) { DRM_ERROR("failed to get irq\n"); - return -EINVAL; + return dp->irq; } rc = devm_request_irq(&pdev->dev, dp->irq, dp_display_irq_handler, -- 2.42.0