From 03d5a4eaddc39f07d20517a4e3d81e25b6060e3d Mon Sep 17 00:00:00 2001
From: Daniel Pouzzner <douzzer@wolfssl.com>
Date: Thu, 20 Aug 2020 11:28:54 -0500
Subject: [PATCH] wolfcrypt/src/integer.c: mp_div_d(): refactor another 64 bit
 division to use do_div() when WOLFSSL_LINUXKM.

---
 wolfcrypt/src/integer.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wolfcrypt/src/integer.c b/wolfcrypt/src/integer.c
index 77dd58cde..a5afd8ca1 100644
--- a/wolfcrypt/src/integer.c
+++ b/wolfcrypt/src/integer.c
@@ -4560,7 +4560,12 @@ static int mp_div_d (mp_int * a, mp_digit b, mp_int * c, mp_digit * d)
      w = (w << ((mp_word)DIGIT_BIT)) | ((mp_word)a->dp[ix]);
 
      if (w >= b) {
+#ifdef WOLFSSL_LINUXKM
+        t = (mp_digit)w;
+        do_div(t, b);
+#else
         t = (mp_digit)(w / b);
+#endif
         w -= ((mp_word)t) * ((mp_word)b);
       } else {
         t = 0;