From: Damjan Marion <damarion@cisco.com>
Date: Wed, 4 Mar 2020 19:06:06 +0000 (+0100)
Subject: vppinfra: fix 32-bit overflow in os_cpu_clock_frequency
X-Git-Tag: v20.09-rc0~445
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=fa95842462af583d7e0842d02df0e2a19934c0fc;hp=311817f77ec7505bf28b9c7a4d19e545547a1c74;p=vpp.git

vppinfra: fix 32-bit overflow in os_cpu_clock_frequency

Type: fix
Change-Id: I23250fcbc70086584b5448baec9af9a1528992f5
Signed-off-by: Damjan Marion <damarion@cisco.com>
Signed-off-by: Dave Barach <dave@barachs.net>
---

diff --git a/src/vppinfra/time.c b/src/vppinfra/time.c
index 27758dc7534..edeca1f9c2f 100644
--- a/src/vppinfra/time.c
+++ b/src/vppinfra/time.c
@@ -165,7 +165,7 @@ os_cpu_clock_frequency (void)
 
       clib_get_cpuid (0x15, &eax, &ebx, &ecx, &edx);
       if (ebx && ecx)
-	return ecx * ebx / eax;
+	return (u64) ecx *ebx / eax;
 
       if (max_leaf >= 0x16)
 	{