rbd: int -> int64_t on do_export

Prevent 32-bit overflow.

Signed-off-by: Sage Weil <sage.weil@dreamhost.com>

diff --git a/src/rbd.cc b/src/rbd.cc
index a5eb473be4016cc7025808df43e4e67c8bfdd9dc..0580759a5bc9d00e1de1e5f8b65a6e7f1a2aecf3 100644 (file)
--- a/src/rbd.cc
+++ b/src/rbd.cc
@@ -219,7 +219,7 @@ static int export_read_cb(uint64_t ofs, size_t len, const char *buf, void *arg)
 
 static int do_export(librbd::Image& image, const char *path)
 {
-  int r;
+  int64_t r;
   librbd::image_info_t info;
   bufferlist bl;
   int fd = open(path, O_WRONLY | O_CREAT | O_EXCL, 0644);