[libvirt] [PATCH] util: Prevent libvirtd crash
Alex Jia
ajia at redhat.com
Wed Aug 29 03:05:04 UTC 2012
Thanks for review, I will update it based on your advise, in addition, the commit message is very common,
so also change it to "util: Prevent libvirtd crash from virNetDevOpenvswitchAddPort()", push now.
--
Regards,
Alex
----- Original Message -----
From: "Eric Blake" <eblake at redhat.com>
To: "Alex Jia" <ajia at redhat.com>
Cc: libvir-list at redhat.com
Sent: Tuesday, August 28, 2012 11:25:02 PM
Subject: Re: [libvirt] [PATCH] util: Prevent libvirtd crash
On 08/28/2012 04:28 AM, Alex Jia wrote:
> * src/util/virnetdevopenvswitch.c (virNetDevOpenvswitchAddPort): avoid libvirtd
> crash due to derefing a NULL virtVlan->tag.
>
> RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=852383
>
> Signed-off-by: Alex Jia <ajia at redhat.com>
> ---
> src/util/virnetdevopenvswitch.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/src/util/virnetdevopenvswitch.c b/src/util/virnetdevopenvswitch.c
> index 601d79e..7d38ff8 100644
> --- a/src/util/virnetdevopenvswitch.c
> +++ b/src/util/virnetdevopenvswitch.c
> @@ -100,7 +100,8 @@ int virNetDevOpenvswitchAddPort(const char *brname, const char *ifname,
> virBufferAsprintf(buf, "%d", virtVlan->tag[i]);
> }
> } else {
> - virBufferAsprintf(buf, "tag=%d", virtVlan->tag[0]);
> + if (virtVlan->nTags)
You could avoid a level of indentation by using 'else if (virtVlan->nTags)'
ACK.
--
Eric Blake eblake at redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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