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

Re: [Xen-devel] [PATCH 1/3] xen-gnt: prevent adding duplicate gnt callbacks

On 31/07/13 16:00, Roger Pau Monne wrote:
> With the current implementation, the callback in the tail of the list
> can be added twice, because the check done in
> gnttab_request_free_callback is bogus, callback->next can be NULL if
> it is the last callback in the list. If we add the same callback twice
> we end up with an infinite loop, were callback == callback->next.
> Replace this check with a proper one that iterates over the list to
> see if the callback has already been added.

As a minimal fix suitable for stable,

Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>


Xen-devel mailing list



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