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Diffstat (limited to 'arch/mips/include/asm/uaccess.h')
-rw-r--r--arch/mips/include/asm/uaccess.h27
1 files changed, 19 insertions, 8 deletions
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 21a2aaba20d5..89fa5c0b1579 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -16,6 +16,7 @@
#include <linux/thread_info.h>
#include <linux/string.h>
#include <asm/asm-eva.h>
+#include <asm/extable.h>
/*
* The fs value determines whether argument validity checking should be
@@ -858,7 +859,10 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n);
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
+ \
+ check_object_size(__cu_from, __cu_len, true); \
might_fault(); \
+ \
if (eva_kernel_access()) \
__cu_len = __invoke_copy_to_kernel(__cu_to, __cu_from, \
__cu_len); \
@@ -879,6 +883,9 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
+ \
+ check_object_size(__cu_from, __cu_len, true); \
+ \
if (eva_kernel_access()) \
__cu_len = __invoke_copy_to_kernel(__cu_to, __cu_from, \
__cu_len); \
@@ -897,6 +904,9 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
+ \
+ check_object_size(__cu_to, __cu_len, false); \
+ \
if (eva_kernel_access()) \
__cu_len = __invoke_copy_from_kernel_inatomic(__cu_to, \
__cu_from,\
@@ -931,6 +941,9 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
+ \
+ check_object_size(__cu_from, __cu_len, true); \
+ \
if (eva_kernel_access()) { \
__cu_len = __invoke_copy_to_kernel(__cu_to, \
__cu_from, \
@@ -1123,6 +1136,9 @@ extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n);
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
+ \
+ check_object_size(__cu_to, __cu_len, false); \
+ \
if (eva_kernel_access()) { \
__cu_len = __invoke_copy_from_kernel(__cu_to, \
__cu_from, \
@@ -1161,6 +1177,9 @@ extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n);
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
+ \
+ check_object_size(__cu_to, __cu_len, false); \
+ \
if (eva_kernel_access()) { \
__cu_len = __invoke_copy_from_kernel(__cu_to, \
__cu_from, \
@@ -1485,12 +1504,4 @@ static inline long strnlen_user(const char __user *s, long n)
return res;
}
-struct exception_table_entry
-{
- unsigned long insn;
- unsigned long nextinsn;
-};
-
-extern int fixup_exception(struct pt_regs *regs);
-
#endif /* _ASM_UACCESS_H */