Older protocols should send 1-incremented dev numbers.

diff --git a/flist.c b/flist.c
index 2f94420..4a50583 100644 (file)
--- a/flist.c
+++ b/flist.c
@@ -642,14 +642,16 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file,
 
 #ifdef SUPPORT_HARD_LINKS
        if (tmp_dev != -1 && protocol_version < 30) {
+               /* Older protocols expect the dev number to be transmitted
+                * 1-incremented so that it is never zero. */
                if (protocol_version < 26) {
                        /* 32-bit dev_t and ino_t */
-                       write_int(f, (int32)dev);
+                       write_int(f, (int32)(dev+1));
                        write_int(f, (int32)tmp_ino);
                } else {
                        /* 64-bit dev_t and ino_t */
                        if (!(xflags & XMIT_SAME_DEV_pre30))
-                               write_longint(f, dev);
+                               write_longint(f, dev+1);
                        write_longint(f, tmp_ino);
                }
        }