diff options
Diffstat (limited to 'include/asm-m68k/uaccess.h')
| -rw-r--r-- | include/asm-m68k/uaccess.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/include/asm-m68k/uaccess.h b/include/asm-m68k/uaccess.h index f5cedf19cf68..2ffd87b0a769 100644 --- a/include/asm-m68k/uaccess.h +++ b/include/asm-m68k/uaccess.h @@ -42,6 +42,7 @@ struct exception_table_entry ({ \ int __pu_err; \ typeof(*(ptr)) __pu_val = (x); \ + __chk_user_ptr(ptr); \ switch (sizeof (*(ptr))) { \ case 1: \ __put_user_asm(__pu_err, __pu_val, ptr, b); \ @@ -91,6 +92,7 @@ __asm__ __volatile__ \ ({ \ int __gu_err; \ typeof(*(ptr)) __gu_val; \ + __chk_user_ptr(ptr); \ switch (sizeof(*(ptr))) { \ case 1: \ __get_user_asm(__gu_err, __gu_val, ptr, b, "=d"); \ @@ -105,7 +107,7 @@ __asm__ __volatile__ \ __gu_err = __constant_copy_from_user(&__gu_val, ptr, 8); \ break; \ default: \ - __gu_val = 0; \ + __gu_val = (typeof(*(ptr)))0; \ __gu_err = __get_user_bad(); \ break; \ } \ @@ -134,7 +136,7 @@ __asm__ __volatile__ \ : "m"(*(ptr)), "i" (-EFAULT), "0"(0)) static inline unsigned long -__generic_copy_from_user(void *to, const void *from, unsigned long n) +__generic_copy_from_user(void *to, const void __user *from, unsigned long n) { unsigned long tmp; __asm__ __volatile__ @@ -189,7 +191,7 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n) } static inline unsigned long -__generic_copy_to_user(void *to, const void *from, unsigned long n) +__generic_copy_to_user(void __user *to, const void *from, unsigned long n) { unsigned long tmp; __asm__ __volatile__ @@ -264,7 +266,7 @@ __generic_copy_to_user(void *to, const void *from, unsigned long n) : "d0", "memory") static inline unsigned long -__constant_copy_from_user(void *to, const void *from, unsigned long n) +__constant_copy_from_user(void *to, const void __user *from, unsigned long n) { switch (n) { case 0: @@ -520,7 +522,7 @@ __constant_copy_from_user(void *to, const void *from, unsigned long n) #define __copy_from_user_inatomic __copy_from_user static inline unsigned long -__constant_copy_to_user(void *to, const void *from, unsigned long n) +__constant_copy_to_user(void __user *to, const void *from, unsigned long n) { switch (n) { case 0: @@ -766,7 +768,7 @@ __constant_copy_to_user(void *to, const void *from, unsigned long n) */ static inline long -strncpy_from_user(char *dst, const char *src, long count) +strncpy_from_user(char *dst, const char __user *src, long count) { long res; if (count == 0) return count; @@ -799,11 +801,11 @@ strncpy_from_user(char *dst, const char *src, long count) * * Return 0 on exception, a value greater than N if too long */ -static inline long strnlen_user(const char *src, long n) +static inline long strnlen_user(const char __user *src, long n) { long res; - res = -(long)src; + res = -(unsigned long)src; __asm__ __volatile__ ("1:\n" " tstl %2\n" @@ -842,7 +844,7 @@ static inline long strnlen_user(const char *src, long n) */ static inline unsigned long -clear_user(void *to, unsigned long n) +clear_user(void __user *to, unsigned long n) { __asm__ __volatile__ (" tstl %1\n" |