modules/hints: fix dname bounds check

This check was introduced to fix Clang-Tidy errors, but was factually
not completely correct, tripping Coverity Scan.

diff --git a/modules/hints/hints.c b/modules/hints/hints.c
index af05ee24e3b0332c072eaeb9faf491d555bc282a..2195ca3a258fe35cb816a655bd28e1c2462f09cc 100644 (file)
--- a/modules/hints/hints.c
+++ b/modules/hints/hints.c
@@ -282,7 +282,7 @@ static int del_pair(struct hints_data *data, const char *name, const char *addr)
                return kr_error(EINVAL);
        }
        size_t key_len = knot_dname_size(key);
-       if (kr_fails_assert(key_len <= INT_MAX))
+       if (kr_fails_assert(key_len <= KNOT_DNAME_MAXLEN))
                return kr_error(EINVAL);
 
         if (addr) {