[PATCH -next] drm/arm: mali-dp: Fix error return code in malidp_bind()

[PATCH -next] drm/arm: mali-dp: Fix error return code in malidp_bind()

[Wei Yongjun]

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

Fixes: 3c31760e760c ('drm/arm: mali-dp: Set crtc.port to the port
instead of the endpoint')
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
---
 drivers/gpu/drm/arm/malidp_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 4e61ea5..44b24cb 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -362,8 +362,10 @@ static int malidp_bind(struct device *dev)
 
 	/* Set the CRTC's port so that the encoder component can find it */
 	ep = of_graph_get_next_endpoint(dev->of_node, NULL);
-	if (!ep)
+	if (!ep) {
+		ret = -EINVAL;
 		goto port_fail;
+	}
 	malidp->crtc.port = of_get_next_parent(ep);
 
 	ret = component_bind_all(dev, drm);

Re: [PATCH -next] drm/arm: mali-dp: Fix error return code in malidp_bind()

[Brian Starkey]

Hi Wei,

On Thu, Jul 28, 2016 at 02:14:26AM +0000, Wei Yongjun wrote:
>Fix to return error code -EINVAL from the error handling
>case instead of 0, as done elsewhere in this function.
>
>Fixes: 3c31760e760c ('drm/arm: mali-dp: Set crtc.port to the port
>instead of the endpoint')
>Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
>---

Thanks for cleaning up after me! :-)

Acked-by: Brian Starkey <brian.starkey@arm.com>

@Sean, can you pick this up on top of 3c31760e760c?

Cheers,
Brian

> drivers/gpu/drm/arm/malidp_drv.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
>index 4e61ea5..44b24cb 100644
>--- a/drivers/gpu/drm/arm/malidp_drv.c
>+++ b/drivers/gpu/drm/arm/malidp_drv.c
>@@ -362,8 +362,10 @@ static int malidp_bind(struct device *dev)
>
> 	/* Set the CRTC's port so that the encoder component can find it */
> 	ep = of_graph_get_next_endpoint(dev->of_node, NULL);
>-	if (!ep)
>+	if (!ep) {
>+		ret = -EINVAL;
> 		goto port_fail;
>+	}
> 	malidp->crtc.port = of_get_next_parent(ep);
>
> 	ret = component_bind_all(dev, drm);
>

Re: [PATCH -next] drm/arm: mali-dp: Fix error return code in malidp_bind()

[Daniel Vetter]

On Thu, Jul 28, 2016 at 09:22:21AM +0100, Brian Starkey wrote:
> Hi Wei,
> 
> On Thu, Jul 28, 2016 at 02:14:26AM +0000, Wei Yongjun wrote:
> > Fix to return error code -EINVAL from the error handling
> > case instead of 0, as done elsewhere in this function.
> > 
> > Fixes: 3c31760e760c ('drm/arm: mali-dp: Set crtc.port to the port
> > instead of the endpoint')
> > Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
> > ---
> 
> Thanks for cleaning up after me! :-)
> 
> Acked-by: Brian Starkey <brian.starkey@arm.com>

Applied to drm-misc, thanks.
-Daniel

> 
> @Sean, can you pick this up on top of 3c31760e760c?
> 
> Cheers,
> Brian
> 
> > drivers/gpu/drm/arm/malidp_drv.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
> > index 4e61ea5..44b24cb 100644
> > --- a/drivers/gpu/drm/arm/malidp_drv.c
> > +++ b/drivers/gpu/drm/arm/malidp_drv.c
> > @@ -362,8 +362,10 @@ static int malidp_bind(struct device *dev)
> > 
> > 	/* Set the CRTC's port so that the encoder component can find it */
> > 	ep = of_graph_get_next_endpoint(dev->of_node, NULL);
> > -	if (!ep)
> > +	if (!ep) {
> > +		ret = -EINVAL;
> > 		goto port_fail;
> > +	}
> > 	malidp->crtc.port = of_get_next_parent(ep);
> > 
> > 	ret = component_bind_all(dev, drm);
> > 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch