Re: [PATCH 2/6] Drivers: hv: hv_balloon: keep locks balanced on add_memory() failure

[Olaf Hering]

On Wed, Mar 11, K. Y. Srinivasan wrote:

> +++ b/drivers/hv/hv_balloon.c
> @@ -652,6 +652,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size,
>  			}
>  			has->ha_end_pfn -= HA_CHUNK;
>  			has->covered_end_pfn -=  processed_pfn;
> +			mutex_lock(&dm_device.ha_region_mutex);
>  			break;
>  		}

Should it call the wrapper instead of doing mutex_lock directly?
Like 'acquire_region_mutex(false);'.

Olaf
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