On Fri, 2014-08-08 at 12:07 +0200, Julia Lawall wrote: > From: Julia Lawall <Julia.Lawall@xxxxxxx> > > Of_node_put supports NULL as its argument, so the initial test is not > necessary. > > Suggested by Uwe Kleine-König. > > The semantic patch that fixes this problem is as follows: > (http://coccinelle.lip6.fr/) > > // <smpl> > @@ > expression e; > @@ > > -if (e) > of_node_put(e); > // </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > > --- > arch/powerpc/platforms/pseries/iommu.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c > index 33b552f..2ea6831 100644 > --- a/arch/powerpc/platforms/pseries/iommu.c > +++ b/arch/powerpc/platforms/pseries/iommu.c > @@ -575,8 +575,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus) > while (isa_dn && isa_dn != dn) > isa_dn = isa_dn->parent; > > - if (isa_dn_orig) > - of_node_put(isa_dn_orig); > + of_node_put(isa_dn_orig); > > /* Count number of direct PCI children of the PHB. */ > for (children = 0, tmp = dn->child; tmp; tmp = tmp->sibling) > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html