From fdda3b4aa2a30698f8bccf47e794ffa7eda67239 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tobias=20Nie=C3=9Fen?= <tniessen@users.noreply.github.com>
Date: Sun, 14 Nov 2021 16:10:54 +0100
Subject: [PATCH] Always zero rambd buffer before first use

This fixes warnings produced by tools such as memcheck without
requiring the user to set an erase value.
---
 bd/lfs_rambd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bd/lfs_rambd.c b/bd/lfs_rambd.c
index 0a6b5cc..beb0267 100644
--- a/bd/lfs_rambd.c
+++ b/bd/lfs_rambd.c
@@ -36,6 +36,8 @@ int lfs_rambd_createcfg(const struct lfs_config *cfg,
     if (bd->cfg->erase_value != -1) {
         memset(bd->buffer, bd->cfg->erase_value,
                 cfg->block_size * cfg->block_count);
+    } else {
+        memset(bd->buffer, 0, cfg->block_size * cfg->block_count);
     }
 
     LFS_RAMBD_TRACE("lfs_rambd_createcfg -> %d", 0);