[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] bug in xenbus_dev.c?

To: James Harper <james.harper@xxxxxxxxxxxxxxxx>, "List: Xen Developers" <xen-devel@xxxxxxxxxxxxxxxxxxx>
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Sun, 21 Dec 2008 08:48:13 +0000
Cc:
Delivery-date: Sun, 21 Dec 2008 00:48:13 -0800
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcljHM1SD22YfGTjR/C/pV37F8pIdwALA5LI
Thread-topic: [Xen-devel] bug in xenbus_dev.c?

On 21/12/2008 03:32, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

> The code at A is only executed if 'msg_type == XS_TRANSACTION_START',
> but isn't it possible for B to be executed in the
> non-XS_TRANSACTION_START code path, resulting in kfree(NULL)?

kfree(NULL) is valid and a no-op.

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

References:
- [Xen-devel] bug in xenbus_dev.c?
  - From: James Harper

Prev by Date: RE: [Xen-users] RE: [Xen-devel] GPLPV drivers 0.9.12-pre9 upload
Next by Date: RE: [Xen-users] RE: [Xen-devel] GPLPV drivers 0.9.12-pre9 upload
Previous by thread: [Xen-devel] bug in xenbus_dev.c?
Next by thread: [Xen-devel] xenbus message id's
Index(es):
- Date
- Thread

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.