lkml.org 
[lkml]   [2019]   [Sep]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
SubjectRe: [PATCH -next] drm/etnaviv: fix missing unlock on error in etnaviv_iommuv1_context_alloc()
From
Date
On Mo, 2019-08-19 at 06:17 +0000, Wei Yongjun wrote:
> Add the missing unlock before return from function
> etnaviv_iommuv1_context_alloc()
> in the error handling case.
>
> Fixes: 27b67278e007 ("drm/etnaviv: rework MMU handling")
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

Thanks, applied.

For my education, can you tell me which tool you did use to catch this
issue?

Regards,
Lucas

> ---
> drivers/gpu/drm/etnaviv/etnaviv_iommu.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
> b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
> index aac8dbf3ea56..1a7c89a67bea 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
> @@ -140,8 +140,10 @@ etnaviv_iommuv1_context_alloc(struct
> etnaviv_iommu_global *global)
> }
>
> v1_context = kzalloc(sizeof(*v1_context), GFP_KERNEL);
> - if (!v1_context)
> + if (!v1_context) {
> + mutex_unlock(&global->lock);
> return NULL;
> + }
>
> v1_context->pgtable_cpu = dma_alloc_wc(global->dev, PT_SIZE,
> &v1_context-
> >pgtable_dma,
>
>
>

\
 
 \ /
  Last update: 2019-09-02 12:51    [W:0.055 / U:0.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site