[PATCH] drm/xe: fix missing 'xe_vm_put'

[Nirmoy Das]

On 9/1/2024 6:42 AM, Dafna Hirschfeld wrote:
> Fix memleak caused by missing xe_vm_put
>
> Signed-off-by: Dafna Hirschfeld <dhirschfeld at habana.ai>

Fixes: 852856e3b6f6 ("drm/xe: Use reserved copy engine for user binds on 
faulting devices")

Reviewed-by: Nirmoy Das <nirmoy.das at intel.com>

> ---
>   drivers/gpu/drm/xe/xe_exec_queue.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
> index fa4ed168b53b..df3ea337f55c 100644
> --- a/drivers/gpu/drm/xe/xe_exec_queue.c
> +++ b/drivers/gpu/drm/xe/xe_exec_queue.c
> @@ -252,8 +252,10 @@ struct xe_exec_queue *xe_exec_queue_create_bind(struct xe_device *xe,
>   							   gt->usm.reserved_bcs_instance,
>   							   false);
>   
> -		if (!hwe)
> +		if (!hwe) {
> +			xe_vm_put(migrate_vm);
>   			return ERR_PTR(-EINVAL);
> +		}
>   
>   		q = xe_exec_queue_create(xe, migrate_vm,
>   					 BIT(hwe->logical_instance), 1, hwe,