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-rw-r--r--include/linux/uaccess.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 558129af828a..349557825428 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -111,4 +111,11 @@ extern long strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count);
#define probe_kernel_address(addr, retval) \
probe_kernel_read(&retval, addr, sizeof(retval))
+#ifndef user_access_begin
+#define user_access_begin() do { } while (0)
+#define user_access_end() do { } while (0)
+#define unsafe_get_user(x, ptr) __get_user(x, ptr)
+#define unsafe_put_user(x, ptr) __put_user(x, ptr)
+#endif
+
#endif /* __LINUX_UACCESS_H__ */