[PATCH] powerpc/pseries: fix memory leak in queue_hotplug_event() error path

[Nathan Fontenot]

On 09/19/2016 01:41 AM, Andrew Donnellan wrote:
> If we fail to allocate work, we don't end up using hp_errlog_copy. Free it
> in the error path.
> 
> Signed-off-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>

Reviewed-by: Nathan Fontenot <nfont at linux.vnet.ibm.com>

> 
> ---
> 
> Found by Coverity Scan. Compile tested only.
> ---
>  arch/powerpc/platforms/pseries/dlpar.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
> index 4748124..6a99e72 100644
> --- a/arch/powerpc/platforms/pseries/dlpar.c
> +++ b/arch/powerpc/platforms/pseries/dlpar.c
> @@ -413,6 +413,7 @@ void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog,
>  		queue_work(pseries_hp_wq, (struct work_struct *)work);
>  	} else {
>  		*rc = -ENOMEM;
> +		kfree(hp_errlog_copy);
>  		complete(hotplug_done);
>  	}
>  }
>