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-rw-r--r--xtoptions.c3
1 files changed, 3 insertions, 0 deletions
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)