Commit c4ac0c6c authored by Dan Carpenter's avatar Dan Carpenter Committed by Dmitry Baryshkov
Browse files

drm/msm/dp: Fix platform_get_irq() check 



The platform_get_irq() function returns negative error codes.  It never
returns zero.  Fix the check accordingly.

Fixes: 82c2a575 ("drm/msm/dp: tie dp_display_irq_handler() with dp driver")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/570755/
Link: https://lore.kernel.org/r/c12bb69b-d676-4345-9712-48aab48f2b48@moroto.mountain


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 1b2d98bd

drivers/gpu/drm/msm/dp/dp_display.c

+2 −2
Original line number Diff line number Diff line
@@ -1168,9 +1168,9 @@ 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,