The luci GUI allows a single port in a port range field. This additional
check validates a single port if a range was not found.

Signed-off-by: Paul Donald <newtwen+git...@gmail.com>
---
 validate/validate.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/validate/validate.c b/validate/validate.c
index e72b811..ffea1d5 100644
--- a/validate/validate.c
+++ b/validate/validate.c
@@ -597,8 +597,10 @@ dt_type_portrange(struct dt_state *s, int nargs)
 
        n = strtoul(s->value, &e, 10);
 
-       if (e == s->value || *e != '-')
-               return false;
+       if (e == s->value || *e != '-') {
+               // If parsing as portrange fails, try parsing as a single port
+               return dt_type_port(s, nargs);
+       }
 
        m = strtoul(e + 1, &e, 10);
 
-- 
2.44.0


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