On Wed, 2015-01-28 at 15:52 +0000, Andrew Cooper wrote: > c/s 5b5c40c0d1 "libxc: introduce a per architecture scratch pfn for temporary > grant mapping" accidentally an issue whereby there were two paths out of > xc_core_arch_get_scratch_gpfn() which returned 0, but only one of which > assigned a value to the gpfn parameter. > > xc_domain_maximum_gpfn() can validly return 0, at which point gpfn 1 is a > valid scratch page to use. > > In addition, widen rc before adding 1 and possibly overflowing. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> > CC: Julien Grall <julien.gr...@linaro.org> > CC: Jan Beulich <jbeul...@suse.com> > CC: Ian Campbell <ian.campb...@citrix.com> > CC: Ian Jackson <ian.jack...@eu.citrix.com> > CC: Wei Liu <wei.l...@citrix.com>
Acked + applied, thanks. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
