From: Lv Ruyi lv.ruyi@zte.com.cn

[ 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@zte.com.cn Signed-off-by: Lv Ruyi lv.ruyi@zte.com.cn Reviewed-by: Dmitry 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: Dmitry Baryshkov dmitry.baryshkov@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 3b92372e7bdf..1d4bbde29320 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -570,9 +570,9 @@ struct msm_kms *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; }