X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fuaccess.h;h=f30c187ed785366231e318a7beab151e0bba64b6;hb=e8b7cbd64ac23c3f780a52bccd24d0bc5b91f76f;hp=349557825428e9b3d815e0bc2781d5d79b172d47;hpb=d2d693d1ba7d93ec7c5db8aca2da29a4c91f6782;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 349557825428..f30c187ed785 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -114,8 +114,8 @@ extern long strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count);
 #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)
+#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__ */