*/
#include <linux/uaccess.h>
+#include <linux/module.h>
#include "lttng-probe-user.h"
/*
pagefault_disable();
for (;;) {
char v;
- long ret;
+ unsigned long ret;
+ if (unlikely(!access_ok(VERIFY_READ,
+ (__force const char __user *) addr,
+ sizeof(v))))
+ break;
ret = __copy_from_user_inatomic(&v,
(__force const char __user *)(addr),
sizeof(v));
- if (unlikely(ret == -EFAULT))
+ if (unlikely(ret > 0))
break;
count++;
if (unlikely(!v))
set_fs(old_fs);
return count;
}
+EXPORT_SYMBOL_GPL(lttng_strlen_user_inatomic);