From 05ae400830cba731ad8a423c54d23876bace59c4 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 1 May 2009 03:09:54 +0200
Subject: mdev: fix a case where we mangle device_path string and then use it.

---
 util-linux/mdev.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'util-linux/mdev.c')

diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 8fc8a3df4..e23828eea 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -564,7 +564,10 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
 				make_device(temp, 1);
 		}
 		else if (strcmp(action, "add") == 0) {
-			make_device(temp, 0);
+			/* make_device mangles its parameter, use a copy */
+			char *s = xstrdup(temp);
+			make_device(s, 0);
+			free(s);
 			if (ENABLE_FEATURE_MDEV_LOAD_FIRMWARE) {
 				if (fw)
 					load_firmware(fw, temp);
-- 
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