===================================================================
@@ -154,8 +154,12 @@ static int read_user_stack_64(unsigned l
((unsigned long)ptr & 7))
return -EFAULT;
- if (!__get_user_inatomic(*ret, ptr))
+ pagefault_disable();
+ if (!__get_user_inatomic(*ret, ptr)) {
+ pagefault_enable();
return 0;
+ }
+ pagefault_enable();
return read_user_stack_slow(ptr, ret, 8);
}
@@ -166,8 +170,12 @@ static int read_user_stack_32(unsigned i
((unsigned long)ptr & 3))
return -EFAULT;
- if (!__get_user_inatomic(*ret, ptr))
+ pagefault_disable();
+ if (!__get_user_inatomic(*ret, ptr)) {
+ pagefault_enable();
return 0;
+ }
+ pagefault_enable();
return read_user_stack_slow(ptr, ret, 4);
}