[PATCH 1/1] drm/msm/dpu: Fix error return code in dpu_mdss_init()

[Zhen Lei]

Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Fixes: 070e64dc1bbc ("drm/msm/dpu: Convert to a chained irq chip")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Zhen Lei <thunder.leiz...@huawei.com>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
index 06b56fec04e0..1b6c9fb500a1 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
@@ -253,8 +253,10 @@ int dpu_mdss_init(struct drm_device *dev)
                goto irq_domain_error;
 
        irq = platform_get_irq(pdev, 0);
-       if (irq < 0)
+       if (irq < 0) {
+               ret = irq;
                goto irq_error;
+       }
 
        irq_set_chained_handler_and_data(irq, dpu_mdss_irq,
                                         dpu_mdss);
-- 
2.25.1