diff options
| -rw-r--r-- | arch/mips/include/asm/uaccess.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 9e9e3aa9c341..ab47e597656a 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -79,7 +79,9 @@ extern u64 __ua_limit; static inline int __access_ok(const void __user *p, unsigned long size) { unsigned long addr = (unsigned long)p; - return (__UA_LIMIT & (addr | (addr + size) | __ua_size(size))) == 0; + unsigned long end = addr + size - !!size; + + return (__UA_LIMIT & (addr | end | __ua_size(size))) == 0; } #define access_ok(addr, size) \ |