tdx-cfg-block: fix while checking for uninitialised len

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/board/toradex/common/tdx-cfg-block.c b/board/toradex/common/tdx-cfg-block.c
index 4e3c6e6b06..4bf2564988 100644
--- a/board/toradex/common/tdx-cfg-block.c
+++ b/board/toradex/common/tdx-cfg-block.c
@@ -482,10 +482,10 @@ static int get_cfgblock_interactive(void)
 		return -1;
 	}
 
-	while (len < 4) {
+	do {
 		sprintf(message, "Enter the module version (e.g. V1.1B): V");
 		len = cli_readline(message);
-	}
+	} while (len < 4);
 
 	tdx_hw_tag.ver_major = console_buffer[0] - '0';
 	tdx_hw_tag.ver_minor = console_buffer[2] - '0';