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[RESEND] drm/imagination: Use pvr_vm_context_get()

Message ID 8616641d-6005-4b25-bc0a-0b53985a0e08@imgtec.com (mailing list archive)
State New, archived
Headers show
Series [RESEND] drm/imagination: Use pvr_vm_context_get() | expand

Commit Message

Matt Coster Aug. 30, 2024, 3:06 p.m. UTC 
I missed this open-coded kref_get() while trying to debug a refcount
bug, so let's use the helper function here to avoid that waste of time
again in the future.

Signed-off-by: Matt Coster <matt.coster@imgtec.com>
Fixes: ff5f643de0bf ("drm/imagination: Add GEM and VM related code")
---
 drivers/gpu/drm/imagination/pvr_vm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Frank Binns Sept. 2, 2024, 7:57 a.m. UTC | #1 
On Fri, 2024-08-30 at 15:06 +0000, Matt Coster wrote:
> I missed this open-coded kref_get() while trying to debug a refcount
> bug, so let's use the helper function here to avoid that waste of time
> again in the future.
> 

Reviewed-by: Frank Binns <frank.binns@imgtec.com>

> Signed-off-by: Matt Coster <matt.coster@imgtec.com>
> Fixes: ff5f643de0bf ("drm/imagination: Add GEM and VM related code")
> ---
>  drivers/gpu/drm/imagination/pvr_vm.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c
> index e59517ba039e..ffd466509d0b 100644
> --- a/drivers/gpu/drm/imagination/pvr_vm.c
> +++ b/drivers/gpu/drm/imagination/pvr_vm.c
> @@ -636,9 +636,7 @@ pvr_vm_context_lookup(struct pvr_file *pvr_file, u32 handle)
>  
>  	xa_lock(&pvr_file->vm_ctx_handles);
>  	vm_ctx = xa_load(&pvr_file->vm_ctx_handles, handle);
> -	if (vm_ctx)
> -		kref_get(&vm_ctx->ref_count);
> -
> +	pvr_vm_context_get(vm_ctx);
>  	xa_unlock(&pvr_file->vm_ctx_handles);
>  
>  	return vm_ctx;
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Patch

diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c
index e59517ba039e..ffd466509d0b 100644
--- a/drivers/gpu/drm/imagination/pvr_vm.c
+++ b/drivers/gpu/drm/imagination/pvr_vm.c
@@ -636,9 +636,7 @@  pvr_vm_context_lookup(struct pvr_file *pvr_file, u32 handle)
 
 	xa_lock(&pvr_file->vm_ctx_handles);
 	vm_ctx = xa_load(&pvr_file->vm_ctx_handles, handle);
-	if (vm_ctx)
-		kref_get(&vm_ctx->ref_count);
-
+	pvr_vm_context_get(vm_ctx);
 	xa_unlock(&pvr_file->vm_ctx_handles);
 
 	return vm_ctx;