Re: [PATCH] Fix closedir usage in virNumaGetPages

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On Sat, Jun 21, 2014 at 8:59 PM, Roman Bogorodskiy
<bogorodskiy@xxxxxxxxx> wrote:
> virNumaGetPages calls closedir(dir) in cleanup and dir could
> be NULL if we jump there from the failed opendir() call.
>
> While it's not harmful on Linux, FreeBSD libc crashes [1], so
> make sure that dir is not NULL before calling closedir.
>
> 1: http://lists.freebsd.org/pipermail/freebsd-standards/2014-January/002704.html
> ---
>  src/util/virnuma.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/src/util/virnuma.c b/src/util/virnuma.c
> index c8e7f40..1048033 100644
> --- a/src/util/virnuma.c
> +++ b/src/util/virnuma.c
> @@ -836,7 +836,8 @@ virNumaGetPages(int node,
>      VIR_FREE(tmp_free);
>      VIR_FREE(tmp_avail);
>      VIR_FREE(tmp_size);
> -    closedir(dir);
> +    if (dir)
> +        closedir(dir);
>      VIR_FREE(path);
>      return ret;
>  }
> --
> 1.9.0
>

ACK


---
Nehal J Wani

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