diff options
| -rw-r--r-- | sbin/ipfw/ipfw2.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sbin/ipfw/ipfw2.c b/sbin/ipfw/ipfw2.c index 78d758f..fb13886 100644 --- a/sbin/ipfw/ipfw2.c +++ b/sbin/ipfw/ipfw2.c @@ -5937,6 +5937,11 @@ table_handler(int ac, char *av[]) l = sizeof(a); if (do_cmd(IP_FW_TABLE_GETSIZE, &a, (uintptr_t)&l) < 0) err(EX_OSERR, "getsockopt(IP_FW_TABLE_GETSIZE)"); + + /* If a is zero we have nothing to do, the table is empty. */ + if (a == 0) + return; + l = sizeof(*tbl) + a * sizeof(ipfw_table_entry); tbl = malloc(l); if (tbl == NULL) |
