diff options
Diffstat (limited to 'arch/x86/mm/ioremap.c')
| -rw-r--r-- | arch/x86/mm/ioremap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index aa7d279321ea..70b02fc61d93 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -11,6 +11,7 @@ #include <linux/init.h> #include <linux/io.h> #include <linux/ioport.h> +#include <linux/ioremap.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/mmiotrace.h> @@ -457,7 +458,7 @@ void iounmap(volatile void __iomem *addr) { struct vm_struct *p, *o; - if ((void __force *)addr <= high_memory) + if (WARN_ON_ONCE(!is_ioremap_addr((void __force *)addr))) return; /* |