[dpdk-dev] [PATCH 1/7] pci: fix potential mem leak
David Marchand
david.marchand at 6wind.com
Mon May 5 10:14:22 CEST 2014
Hello Anatoly,
Oh yes, missed this one.
Ok, I will resubmit an updated patch.
Thanks.
--
David Marchand
On Thu, May 1, 2014 at 5:00 PM, Burakov, Anatoly
<anatoly.burakov at intel.com>wrote:
> Hi David,
>
> > Looking at bsd implementation, we can see that there is a potential mem
> > leak in linux implementation. Fix this.
> >
> > Signed-off-by: David Marchand <david.marchand at 6wind.com>
> > ---
> > lib/librte_eal/linuxapp/eal/eal_pci.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c
> > b/lib/librte_eal/linuxapp/eal/eal_pci.c
> > index 9538efe..313bab7 100644
> > --- a/lib/librte_eal/linuxapp/eal/eal_pci.c
> > +++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
> > @@ -678,6 +678,7 @@ pci_uio_map_resource(struct rte_pci_device *dev)
> > (mapaddr = pci_map_resource(dev,
> > NULL, devname, (off_t)offset,
> > (size_t)maps[j].size)) == NULL) {
> > + rte_free(uio_res);
> > return (-1);
> > }
> >
> > --
> > 1.7.10.4
>
> Actually, there's another possible mem leak, right after uio_res =
> rte_zmalloc():
>
> /* collect info about device mappings */
> if ((nb_maps = pci_uio_get_mappings(dirname, uio_res->maps,
> sizeof (uio_res->maps) / sizeof
> (uio_res->maps[0])))
> < 0)
> return (nb_maps);
>
> Best regards,
> Anatoly Burakov
> DPDK SW Engineer
>
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