linux-kernel - Re: [PATCH] [perf] Account the nr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 31 Aug 2012 10:23:01 -0600
From:	David Ahern <dsahern@...il.com>
To:	"Suzuki K. Poulose" <suzuki@...ibm.com>,
	Arnaldo Carvalho de Melo <acme@...radead.org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [perf] Account the nr_entries in rblist properly

On 8/31/12 1:09 AM, Suzuki K. Poulose wrote:
> The nr_entries in rblist is never decremented when an element
> is deleted. Also, use rblist__remove_node to delete a node in
> rblist__delete(). This would keep the nr_entries sane.
>
> Signed-off-by: Suzuki K. Poulose <suzuki@...ibm.com>
> Cc: David S. Ahern <dsahern@...il.com>
> ---
>
>   tools/perf/util/rblist.c |    4 ++--
>   1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/rblist.c b/tools/perf/util/rblist.c
> index 0171fb6..a16cdd2 100644
> --- a/tools/perf/util/rblist.c
> +++ b/tools/perf/util/rblist.c
> @@ -44,6 +44,7 @@ int rblist__add_node(struct rblist *rblist, const void *new_entry)
>   void rblist__remove_node(struct rblist *rblist, struct rb_node *rb_node)
>   {
>   	rb_erase(rb_node, &rblist->entries);
> +	--rblist->nr_entries;
>   	rblist->node_delete(rblist, rb_node);
>   }

nice catch.

>
> @@ -87,8 +88,7 @@ void rblist__delete(struct rblist *rblist)
>   		while (next) {
>   			pos = next;
>   			next = rb_next(pos);
> -			rb_erase(pos, &rblist->entries);
> -			rblist->node_delete(rblist, pos);
> +			rblist__remove_node(rblist, pos);
>   		}
>   		free(rblist);
>   	}

Acked-by: David Ahern <dsahern@...il.com>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/