diff options
Diffstat (limited to 'arch/sh/mm/ioremap_32.c')
| -rw-r--r-- | arch/sh/mm/ioremap_32.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/sh/mm/ioremap_32.c b/arch/sh/mm/ioremap_32.c index 882a32ebc6b7..32946fba123e 100644 --- a/arch/sh/mm/ioremap_32.c +++ b/arch/sh/mm/ioremap_32.c @@ -116,9 +116,10 @@ EXPORT_SYMBOL(__ioremap); void __iounmap(void __iomem *addr) { unsigned long vaddr = (unsigned long __force)addr; + unsigned long seg = PXSEG(vaddr); struct vm_struct *p; - if (PXSEG(vaddr) < P3SEG || is_pci_memaddr(vaddr)) + if (seg < P3SEG || seg >= P3_ADDR_MAX || is_pci_memaddr(vaddr)) return; #ifdef CONFIG_32BIT |