From d86fb04f48c5a98ef136658bde2cb5432f2e1c4a Mon Sep 17 00:00:00 2001
From: Josh Durgin <josh.durgin@inktank.com>
Date: Fri, 29 Mar 2013 17:03:59 -0700
Subject: [PATCH] rbd: make diff banner length depend on the banner

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
---
 src/rbd.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rbd.cc b/src/rbd.cc
index 9fa0b4fece73b..5099e27b16e77 100644
--- a/src/rbd.cc
+++ b/src/rbd.cc
@@ -1393,7 +1393,7 @@ static int do_import_diff(librbd::Image &image, const char *path)
     size = (uint64_t)stat_buf.st_size;
   }
 
-  char buf[15];
+  char buf[strlen(RBD_DIFF_BANNER) + 1];
   r = safe_read_exact(fd, buf, strlen(RBD_DIFF_BANNER));
   if (r < 0)
     goto done;
-- 
2.39.5