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-rw-r--r--util-linux/mdev.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 217075660..b4042c07e 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -374,10 +374,8 @@ static void make_device(char *path, int delete)
putenv(s1);
if (system(command) == -1)
bb_perror_msg("can't run '%s'", command);
- unsetenv("SUBSYSTEM");
- free(s1);
- unsetenv("MDEV");
- free(s);
+ bb_unsetenv_and_free(s1);
+ bb_unsetenv_and_free(s);
free(command);
}