From db7599e9e5b53c92235ef8a00b77ba410f994481 Mon Sep 17 00:00:00 2001
From: Toomas Soome <tsoome@FreeBSD.org>
Date: Sun, 7 Apr 2019 11:50:41 +0000
Subject: [PATCH] loader: file_addmodule should check for memory allocation

strdup() can return NULL.

MFC after:	1w
---
 stand/common/module.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/stand/common/module.c b/stand/common/module.c
index 1462e997327..1baad1342d2 100644
--- a/stand/common/module.c
+++ b/stand/common/module.c
@@ -930,6 +930,10 @@ file_addmodule(struct preloaded_file *fp, char *modname, int version,
 	if (mp == NULL)
 		return (ENOMEM);
 	mp->m_name = strdup(modname);
+	if (mp->m_name == NULL) {
+		free(mp);
+		return (ENOMEM);
+	}
 	mp->m_version = version;
 	mp->m_fp = fp;
 	mp->m_next = fp->f_modules;