adjtimex: make it NOFORK

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 7 insertions, 2 deletions

diff --git a/NOFORK_NOEXEC.lst b/NOFORK_NOEXEC.lst
index 99af24357..97b7d8b20 100644
--- a/NOFORK_NOEXEC.lst
+++ b/NOFORK_NOEXEC.lst
@@ -39,7 +39,7 @@ acpid - daemon
 add-shell
 addgroup
 adduser
-adjtimex
+adjtimex - NOFORK
 ar - runner
 arch - NOFORK
 arp - complex, rare
diff --git a/miscutils/adjtimex.c b/miscutils/adjtimex.c
index a39c4f5cf..ce6f8ccd8 100644
--- a/miscutils/adjtimex.c
+++ b/miscutils/adjtimex.c
@@ -18,7 +18,7 @@
 //config:       Adjtimex reads and optionally sets adjustment parameters for
 //config:       the Linux clock adjustment algorithm.
 
-//applet:IF_ADJTIMEX(APPLET(adjtimex, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_ADJTIMEX(APPLET_NOFORK(adjtimex, adjtimex, BB_DIR_SBIN, BB_SUID_DROP, adjtimex))
 
 //kbuild:lib-$(CONFIG_ADJTIMEX) += adjtimex.o
 
@@ -116,6 +116,11 @@ int adjtimex_main(int argc UNUSED_PARAM, char **argv)
                 txc.modes |= ADJ_TICK;
         }
 
+        /* It's NOFORK applet because the code is very simple:
+         * just some printf. No opens, no allocs.
+         * If you need to make it more complex, feel free to downgrade to NOEXEC
+         */
+
         ret = adjtimex(&txc);
         if (ret < 0)
                 bb_perror_nomsg_and_die();