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-rw-r--r--util-linux/mdev.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 34cabc934..956de15ae 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -276,8 +276,7 @@ static void make_device(char *path, int delete)
putenv(s);
if (system(command) == -1)
bb_perror_msg_and_die("can't run '%s'", command);
- s[4] = '\0';
- unsetenv(s);
+ unsetenv("MDEV");
free(s);
free(command);
}