From 7bfa122c19e47b1dee47476ce6e9ed6ba16f8269 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Fri, 26 Dec 2008 08:27:24 +0100 Subject: [PATCH] arch/sh/mm: Move a dereference below a NULL test If the NULL test is necessary, then the dereference should be moved below the NULL test. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/). // @disable is_null@ identifier f; expression E; identifier fld; statement S; @@ + if (E == NULL) S f(...,E->fld,...); - if (E == NULL) S @@ identifier f; expression E; identifier fld; statement S; @@ + if (!E) S f(...,E->fld,...); - if (!E) S // Signed-off-by: Julia Lawall Signed-off-by: Paul Mundt --- arch/sh/mm/ioremap_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sh/mm/ioremap_64.c b/arch/sh/mm/ioremap_64.c index 6e0be24d26e2..31e1bb5effbe 100644 --- a/arch/sh/mm/ioremap_64.c +++ b/arch/sh/mm/ioremap_64.c @@ -71,9 +71,9 @@ void *__ioremap(unsigned long phys_addr, unsigned long size, * Ok, go for it.. */ area = get_vm_area(size, VM_IOREMAP); - pr_debug("Get vm_area returns %p addr %p\n",area,area->addr); if (!area) return NULL; + pr_debug("Get vm_area returns %p addr %p\n", area, area->addr); area->phys_addr = phys_addr; addr = area->addr; if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size, -- 2.20.1