diff options
Diffstat (limited to 'arch/microblaze/include/asm/uaccess.h')
| -rw-r--r-- | arch/microblaze/include/asm/uaccess.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index e2adad3..ce5defb 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -75,7 +75,12 @@ struct exception_table_entry { #ifndef CONFIG_MMU -extern int ___range_ok(unsigned long addr, unsigned long size); +/* Check against bounds of physical memory */ +static inline int ___range_ok(unsigned long addr, unsigned long size) +{ + return ((addr < memory_start) || + ((addr + size) > memory_end)); +} #define __range_ok(addr, size) \ ___range_ok((unsigned long)(addr), (unsigned long)(size)) |