Commit b9e4f1d2 authored by Lv Ruyi's avatar Lv Ruyi Committed by Dmitry Baryshkov
Browse files

drm: msm: fix error check return value of irq_of_parse_and_map() 



The irq_of_parse_and_map() function returns 0 on failure, and does not
return an negative value.

Reported-by: default avatarZeal Robot <zealci@zte.com.cn>
Signed-off-by: default avatarLv Ruyi <lv.ruyi@zte.com.cn>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/483175/
Link: https://lore.kernel.org/r/20220424031959.3172406-1-lv.ruyi@zte.com.cn


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 14e7b034

drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c

+3 −3
Original line number Diff line number Diff line
@@ -576,9 +576,9 @@ static int mdp5_kms_init(struct drm_device *dev) 
	}



	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;

	}