From 498b65147247f61f3f7f4deb35484ff98556e798 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Fri, 8 Aug 2014 12:07:47 +0200 Subject: [PATCH] powerpc/pseries: delete unneeded test before of_node_put MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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/) // @@ expression e; @@ -if (e) of_node_put(e); // Signed-off-by: Julia Lawall Acked-by: Benjamin Herrenschmidt Signed-off-by: Michael Ellerman --- 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 49bcf7c09c49..1cc3db95ee71 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -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) -- 2.20.1