From ab847dfe38529d2aa67cc8178a54d5b45af11cfa Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Thu, 12 May 2011 13:20:00 +0200 Subject: libxtables: avoid running into .also checks when option not used If a particular option was not specified, it should not be subject to .also checks in xtables_option_fcheck2 either. Signed-off-by: Jan Engelhardt --- xtoptions.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/xtoptions.c b/xtoptions.c index 8d54dd8b..9e19250b 100644 --- a/xtoptions.c +++ b/xtoptions.c @@ -949,6 +949,9 @@ void xtables_options_fcheck(const char *name, unsigned int xflags, xt_params->exit_err(PARAMETER_PROBLEM, "%s: option \"--%s\" must be specified\n", name, entry->name); + if (!(xflags & (1 << entry->id))) + /* Not required, not specified, thus skip. */ + continue; for (i = 0; i < CHAR_BIT * sizeof(entry->id); ++i) { if (entry->id == i) -- cgit v1.2.3