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-rw-r--r--networking/libiproute/ipaddress.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index 3f360f455..8a5edb968 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -773,21 +773,15 @@ int do_ipaddr(char **argv)
{
static const char commands[] ALIGN1 =
"add\0""delete\0""list\0""show\0""lst\0""flush\0";
-
- int command_num = 2; /* default command is list */
-
+ smalluint cmd = 2;
if (*argv) {
- command_num = index_in_substrings(commands, *argv);
- if (command_num < 0 || command_num > 5)
- bb_error_msg_and_die("unknown command %s", *argv);
+ cmd = index_in_substrings(commands, *argv);
+ if (cmd > 5)
+ bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
argv++;
+ if (cmd <= 1)
+ return ipaddr_modify((cmd == 0) ? RTM_NEWADDR : RTM_DELADDR, argv);
}
- if (command_num == 0) /* add */
- return ipaddr_modify(RTM_NEWADDR, argv);
- if (command_num == 1) /* delete */
- return ipaddr_modify(RTM_DELADDR, argv);
- if (command_num == 5) /* flush */
- return ipaddr_list_or_flush(argv, 1);
/* 2 == list, 3 == show, 4 == lst */
- return ipaddr_list_or_flush(argv, 0);
+ return ipaddr_list_or_flush(argv, cmd == 5);
}