diff options
Diffstat (limited to 'arch/sparc/include/asm')
| -rw-r--r-- | arch/sparc/include/asm/uaccess_32.h | 9 | ||||
| -rw-r--r-- | arch/sparc/include/asm/uaccess_64.h | 4 |
2 files changed, 10 insertions, 3 deletions
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index dfb542c7cc71..e7d6bb4cd619 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -313,20 +313,23 @@ unsigned long __copy_user(void __user *to, const void __user *from, unsigned lon static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) { - if (n && __access_ok((unsigned long) to, n)) + if (n && __access_ok((unsigned long) to, n)) { + check_object_size(from, n, true); return __copy_user(to, (__force void __user *) from, n); - else + } else return n; } static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) { + check_object_size(from, n, true); return __copy_user(to, (__force void __user *) from, n); } static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { - if (n && __access_ok((unsigned long) from, n)) + if (n && __access_ok((unsigned long) from, n)) { + check_object_size(to, n, false); return __copy_user((__force void __user *) to, from, n); else { memset(to, 0, n); diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index f428512481f9..a6847fc05a6d 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -207,6 +207,8 @@ unsigned long __must_check ___copy_from_user(void *to, static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long size) { + check_object_size(to, size, false); + return ___copy_from_user(to, from, size); } #define __copy_from_user copy_from_user @@ -217,6 +219,8 @@ unsigned long __must_check ___copy_to_user(void __user *to, static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long size) { + check_object_size(from, size, true); + return ___copy_to_user(to, from, size); } #define __copy_to_user copy_to_user |