1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index aa60cbe7066c..fc1f0abb8fe4 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1336,7 +1336,7 @@ static int gen_unique_name(struct send_ctx *sctx,
                 return -ENOMEM;
 
         while (1) {
-                len = snprintf(tmp, sizeof(tmp) - 1, "o%llu-%llu-%llu",
+                len = snprintf(tmp, sizeof(tmp), "o%llu-%llu-%llu",
                                 ino, gen, idx);
                 if (len >= sizeof(tmp)) {
                         /* should really not happen */