soopt_from_kbuf: Use szmin(), since both len and sopt_valsize is size_t

Mainly to avoid integer truncation on 64bit platform.

Reminded-by: dillon@

diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c
index 5e724f2..3f91b79 100644 (file)
--- a/sys/kern/uipc_socket.c
+++ b/sys/kern/uipc_socket.c
@@ -1477,7 +1477,7 @@ soopt_from_kbuf(struct sockopt *sopt, const void *buf, size_t len)
         * Note that this interface is not idempotent; the entire answer must
         * generated ahead of time.
         */
-       valsize = min(len, sopt->sopt_valsize);
+       valsize = szmin(len, sopt->sopt_valsize);
        sopt->sopt_valsize = valsize;
        if (sopt->sopt_val != 0) {
                bcopy(buf, sopt->sopt_val, valsize);