[lvm-devel] [PATCH 10/23] Fix memory leak of dev_filter on error path

[Milan Broz]

On 12/21/2010 04:41 PM, Zdenek Kabelac wrote:

> @@ -352,5 +357,8 @@ struct dev_filter *persistent_filter_create(struct dev_filter *real,
>  		dm_hash_destroy(pf->devices);
>  	dm_free(pf);
>  	dm_free(f);
> +
> +     fail:
> +	real->destroy(real);
>  	return NULL;
>  }

Why not move it to the caller instead - the same like previous two?

	if (!(f4 = persistent_filter_create(f3, dev_cache))) {
		log_error("Failed to create persistent device filter");
+		f3->destroy(f3); 
		return 0;
	}

Milan