X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fuaccess.h;h=f30c187ed785366231e318a7beab151e0bba64b6;hb=7f7614165dc91d4048b2063b295f2d2f323e9e89;hp=558129af828a7eb97ad64b1531ac2a4e3f71174d;hpb=923f1cbf2e45f6292a01de959031a8efeabede78;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 558129af828a..f30c187ed785 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, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
+#define unsafe_put_user(x, ptr, err) do { if (unlikely(__put_user(x, ptr))) goto err; } while (0)
+#endif
+
 #endif		/* __LINUX_UACCESS_H__ */