1 files changed, 5 insertions, 6 deletions

diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 3e5bfdafee63..1d3d52dc3ff3 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -199,7 +199,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 
         local_irq_save(flags);  /* to protect tcep and the page behind it */
 
-        tcep = __get_cpu_var(tce_page);
+        tcep = __this_cpu_read(tce_page);
 
         /* This is safe to do since interrupts are off when we're called
          * from iommu_alloc{,_sg}()
@@ -212,7 +212,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
                         return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
                                             direction, attrs);
                 }
-                __get_cpu_var(tce_page) = tcep;
+                __this_cpu_write(tce_page, tcep);
         }
 
         rpn = __pa(uaddr) >> TCE_SHIFT;
@@ -398,7 +398,7 @@ static int tce_setrange_multi_pSeriesLP(unsigned long start_pfn,
         long l, limit;
 
         local_irq_disable();    /* to protect tcep and the page behind it */
-        tcep = __get_cpu_var(tce_page);
+        tcep = __this_cpu_read(tce_page);
 
         if (!tcep) {
                 tcep = (__be64 *)__get_free_page(GFP_ATOMIC);
@@ -406,7 +406,7 @@ static int tce_setrange_multi_pSeriesLP(unsigned long start_pfn,
                         local_irq_enable();
                         return -ENOMEM;
                 }
-                __get_cpu_var(tce_page) = tcep;
+                __this_cpu_write(tce_page, tcep);
         }
 
         proto_tce = TCE_PCI_READ | TCE_PCI_WRITE;
@@ -574,8 +574,7 @@ 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)