Also return -ENOMEM if such a failure happens, the implement should take
responsibility for the error handling.
Fixes: 3df64d7b0a4f ("drm/mediatek: Implement gem prime vmap/vunmap function")
Reviewed-by: Matthias Brugger <[email protected]>
Reviewed-by: Alexandre Mergnat <[email protected]>
Signed-off-by: Sui Jingfeng <[email protected]>
---
drivers/gpu/drm/mediatek/mtk_drm_gem.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
index a25b28d3ee90..9f364df52478 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
@@ -247,7 +247,11 @@ int mtk_drm_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map)
mtk_gem->kvaddr = vmap(mtk_gem->pages, npages, VM_MAP,
pgprot_writecombine(PAGE_KERNEL));
-
+ if (!mtk_gem->kvaddr) {
+ kfree(sgt);
+ kfree(mtk_gem->pages);
+ return -ENOMEM;
+ }
out:
kfree(sgt);
iosys_map_set_vaddr(map, mtk_gem->kvaddr);
--
2.34.1
Hi, Jingfeng:
On Thu, 2023-07-06 at 21:40 +0800, Sui Jingfeng wrote:
>
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> Also return -ENOMEM if such a failure happens, the implement should
> take
> responsibility for the error handling.
Reviewed-by: CK Hu <[email protected]>
>
> Fixes: 3df64d7b0a4f ("drm/mediatek: Implement gem prime vmap/vunmap
> function")
> Reviewed-by: Matthias Brugger <[email protected]>
> Reviewed-by: Alexandre Mergnat <[email protected]>
> Signed-off-by: Sui Jingfeng <[email protected]>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_gem.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> index a25b28d3ee90..9f364df52478 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> @@ -247,7 +247,11 @@ int mtk_drm_gem_prime_vmap(struct drm_gem_object
> *obj, struct iosys_map *map)
>
> mtk_gem->kvaddr = vmap(mtk_gem->pages, npages, VM_MAP,
> pgprot_writecombine(PAGE_KERNEL));
> -
> + if (!mtk_gem->kvaddr) {
> + kfree(sgt);
> + kfree(mtk_gem->pages);
> + return -ENOMEM;
> + }
> out:
> kfree(sgt);
> iosys_map_set_vaddr(map, mtk_gem->kvaddr);
> --
> 2.34.1
Hi,
Thanks a lot!
On 2023/7/27 09:47, CK Hu (胡俊光) wrote:
> Hi, Jingfeng:
>
> On Thu, 2023-07-06 at 21:40 +0800, Sui Jingfeng wrote:
> >
> > External email : Please do not click links or open attachments until
> > you have verified the sender or the content.
> > Also return -ENOMEM if such a failure happens, the implement should
> > take
> > responsibility for the error handling.
>
> Reviewed-by: CK Hu <[email protected]>
>
> >
> > Fixes: 3df64d7b0a4f ("drm/mediatek: Implement gem prime vmap/vunmap
> > function")
> > Reviewed-by: Matthias Brugger <[email protected]>
> > Reviewed-by: Alexandre Mergnat <[email protected]>
> > Signed-off-by: Sui Jingfeng <[email protected]>
> > ---
> > drivers/gpu/drm/mediatek/mtk_drm_gem.c | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> > b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> > index a25b28d3ee90..9f364df52478 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> > @@ -247,7 +247,11 @@ int mtk_drm_gem_prime_vmap(struct drm_gem_object
> > *obj, struct iosys_map *map)
> >
> > mtk_gem->kvaddr = vmap(mtk_gem->pages, npages, VM_MAP,
> > pgprot_writecombine(PAGE_KERNEL));
> > -
> > +if (!mtk_gem->kvaddr) {
> > +kfree(sgt);
> > +kfree(mtk_gem->pages);
> > +return -ENOMEM;
> > +}
> > out:
> > kfree(sgt);
> > iosys_map_set_vaddr(map, mtk_gem->kvaddr);
> > --
> > 2.34.1
>
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Il 06/07/23 15:40, Sui Jingfeng ha scritto:
> Also return -ENOMEM if such a failure happens, the implement should take
> responsibility for the error handling.
>
> Fixes: 3df64d7b0a4f ("drm/mediatek: Implement gem prime vmap/vunmap function")
> Reviewed-by: Matthias Brugger <[email protected]>
> Reviewed-by: Alexandre Mergnat <[email protected]>
> Signed-off-by: Sui Jingfeng <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Hi,
On 2023/7/27 17:22, AngeloGioacchino Del Regno wrote:
> Il 06/07/23 15:40, Sui Jingfeng ha scritto:
>> Also return -ENOMEM if such a failure happens, the implement should take
>> responsibility for the error handling.
>>
>> Fixes: 3df64d7b0a4f ("drm/mediatek: Implement gem prime vmap/vunmap
>> function")
>> Reviewed-by: Matthias Brugger <[email protected]>
>> Reviewed-by: Alexandre Mergnat <[email protected]>
>> Signed-off-by: Sui Jingfeng <[email protected]>
>
> Reviewed-by: AngeloGioacchino Del Regno
> <[email protected]>
Yeah! I got so many R-B!
So surprise, So happy!
Hopefully someone will merge/apply this patch someday, thanks.