diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/regset.h | 4 | ||||
-rw-r--r-- | include/linux/uaccess.h | 9 |
2 files changed, 5 insertions, 8 deletions
diff --git a/include/linux/regset.h b/include/linux/regset.h index 494cedaafdf2..a85c1707285c 100644 --- a/include/linux/regset.h +++ b/include/linux/regset.h @@ -376,7 +376,7 @@ static inline int copy_regset_to_user(struct task_struct *target, if (!regset->get) return -EOPNOTSUPP; - if (!access_ok(VERIFY_WRITE, data, size)) + if (!access_ok(data, size)) return -EFAULT; return regset->get(target, regset, offset, size, NULL, data); @@ -402,7 +402,7 @@ static inline int copy_regset_from_user(struct task_struct *target, if (!regset->set) return -EOPNOTSUPP; - if (!access_ok(VERIFY_READ, data, size)) + if (!access_ok(data, size)) return -EFAULT; return regset->set(target, regset, offset, size, NULL, data); diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index efe79c1cdd47..bf2523867a02 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -6,9 +6,6 @@ #include <linux/thread_info.h> #include <linux/kasan-checks.h> -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 - #define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS) #include <asm/uaccess.h> @@ -111,7 +108,7 @@ _copy_from_user(void *to, const void __user *from, unsigned long n) { unsigned long res = n; might_fault(); - if (likely(access_ok(VERIFY_READ, from, n))) { + if (likely(access_ok(from, n))) { kasan_check_write(to, n); res = raw_copy_from_user(to, from, n); } @@ -129,7 +126,7 @@ static inline unsigned long _copy_to_user(void __user *to, const void *from, unsigned long n) { might_fault(); - if (access_ok(VERIFY_WRITE, to, n)) { + if (access_ok(to, n)) { kasan_check_read(from, n); n = raw_copy_to_user(to, from, n); } @@ -160,7 +157,7 @@ static __always_inline unsigned long __must_check copy_in_user(void __user *to, const void __user *from, unsigned long n) { might_fault(); - if (access_ok(VERIFY_WRITE, to, n) && access_ok(VERIFY_READ, from, n)) + if (access_ok(to, n) && access_ok(from, n)) n = raw_copy_in_user(to, from, n); return n; } |