2020-11-17 02:53:41

by chenzhou

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

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

Fixes: 070e64dc1bbc ("drm/msm/dpu: Convert to a chained irq chip")
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Chen Zhou <[email protected]>
---
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 cd4078807db1..6e600b4ca995 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
@@ -297,8 +297,10 @@ 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);
--
2.20.1

2020-11-17 19:56:33

by Abhinav Kumar

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

On 2020-11-16 18:56, Chen Zhou wrote:
> Fix to return a negative error code from the error handling case
> instead of 0 in function dpu_mdss_init(), as done elsewhere in this
> function.
>
> Fixes: 070e64dc1bbc ("drm/msm/dpu: Convert to a chained irq chip")
> Reported-by: Hulk Robot <[email protected]>
> Signed-off-by: Chen Zhou <[email protected]>
Reviewed-by: Abhinav Kumar <[email protected]>
> ---
> 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 cd4078807db1..6e600b4ca995 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
> @@ -297,8 +297,10 @@ 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);