ipset-pf-support, fix to log error on failure to open pf.

diff --git a/ipset/ipset.c b/ipset/ipset.c
index 8645c78b5433a50cc4202e4e3c0337afb5c32f51..3cc906f323a387d5fb483c22c66422ee8dc580d8 100644 (file)
--- a/ipset/ipset.c
+++ b/ipset/ipset.c
@@ -57,7 +57,7 @@ static void * open_filter() {
 
        dev = open("/dev/pf", O_RDWR);
        if (dev == -1) {
-               log_err("open(\"/dev/pf\") failed");
+               log_err("open(\"/dev/pf\") failed: %s", strerror(errno));
                return NULL;
        }
        else