1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/boot/cuboot-83xx.c b/arch/powerpc/boot/cuboot-83xx.c
index 6cbc20afb4d8..9af554eea54b 100644
--- a/arch/powerpc/boot/cuboot-83xx.c
+++ b/arch/powerpc/boot/cuboot-83xx.c
@@ -57,7 +57,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
         memcpy(&bd, (bd_t *)r3, sizeof(bd));
         loader_info.initrd_addr = r4;
-        loader_info.initrd_size = r4 ? r5 : 0;
+        loader_info.initrd_size = r4 ? r5 - r4 : 0;
         loader_info.cmdline = (char *)r6;
         loader_info.cmdline_len = r7 - r6;