---

yaml
---
r: 130244
b: refs/heads/master
c: 24f11ec
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fb22d72782b023cda5e9876d3381f30932a64f91
+refs/heads/master: 24f11ec001920f1cfaeeed8e8b55725d900bbb56

trunk/arch/arm/mm/ioremap.c

@@ -138,7 +138,7 @@ void __check_kvm_seq(struct mm_struct *mm)
  */
 static void unmap_area_sections(unsigned long virt, unsigned long size)
 {
-	unsigned long addr = virt, end = virt + (size & ~SZ_1M);
+	unsigned long addr = virt, end = virt + (size & ~(SZ_1M - 1));
 	pgd_t *pgd;
 
 	flush_cache_vunmap(addr, end);
@@ -337,10 +337,7 @@ void __iounmap(volatile void __iomem *io_addr)
 	void *addr = (void *)(PAGE_MASK & (unsigned long)io_addr);
 #ifndef CONFIG_SMP
 	struct vm_struct **p, *tmp;
-#endif
-	unsigned int section_mapping = 0;
 
-#ifndef CONFIG_SMP
 	/*
 	 * If this is a section based mapping we need to handle it
 	 * specially as the VM subsystem does not know how to handle
@@ -352,19 +349,15 @@ void __iounmap(volatile void __iomem *io_addr)
 	for (p = &vmlist ; (tmp = *p) ; p = &tmp->next) {
 		if ((tmp->flags & VM_IOREMAP) && (tmp->addr == addr)) {
 			if (tmp->flags & VM_ARM_SECTION_MAPPING) {
-				*p = tmp->next;
 				unmap_area_sections((unsigned long)tmp->addr,
 						    tmp->size);
-				kfree(tmp);
-				section_mapping = 1;
 			}
 			break;
 		}
 	}
 	write_unlock(&vmlist_lock);
 #endif
 
-	if (!section_mapping)
-		vunmap(addr);
+	vunmap(addr);
 }
 EXPORT_SYMBOL(__iounmap);