1 files changed, 4 insertions, 0 deletions

diff --git a/init/initramfs.c b/init/initramfs.c
index d28c1094d7e5..85f04037ade1 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -182,6 +182,10 @@ static int __init do_collect(void)
 
 static int __init do_header(void)
 {
+        if (memcmp(collected, "070707", 6)==0) {
+                error("incorrect cpio method used: use -H newc option");
+                return 1;
+        }
         if (memcmp(collected, "070701", 6)) {
                 error("no cpio magic");
                 return 1;