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Re: [Qemu-devel] [PATCH 08/37] qdist: fix entries memory leak


From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH 08/37] qdist: fix entries memory leak
Date: Tue, 19 Jul 2016 14:54:05 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 07/19/2016 02:54 AM, address@hidden wrote:
> From: Marc-André Lureau <address@hidden>
> 
> qdist_init() allocates of entries, make sure we don't leak it.

s/of //

> 
> Spotted thanks to ASAN.
> 
> Signed-off-by: Marc-André Lureau <address@hidden>
> ---
>  util/qdist.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 

Reviewed-by: Eric Blake <address@hidden>

> diff --git a/util/qdist.c b/util/qdist.c
> index 56f5738..e94cf46 100644
> --- a/util/qdist.c
> +++ b/util/qdist.c
> @@ -188,7 +188,8 @@ void qdist_bin__internal(struct qdist *to, const struct 
> qdist *from, size_t n)
>              }
>          }
>          /* they're equally spaced, so copy the dist and bail out */
> -        to->entries = g_new(struct qdist_entry, from->n);
> +        to->entries = g_realloc_n(to->entries, from->n,
> +                                  sizeof(struct qdist_entry));
>          to->n = from->n;
>          memcpy(to->entries, from->entries, sizeof(*to->entries) * to->n);
>          return;
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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