*: introduce and use bb_unsetenv_and_free
function old new delta
bb_unsetenv_and_free - 17 +17
tcpudpsvd_main 1819 1810 -9
safe_setenv 58 47 -11
udhcp_run_script 630 616 -14
make_device 1683 1663 -20
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/4 up/down: 17/-54) Total: -37 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 2170756..b4042c0 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -374,10 +374,8 @@
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);
}