[src/trunk]: src/sys/dev/pci/ixgbe Use unsigned to avoid undefined behavior i...

[msaitoh <msaitoh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b391d41f16e9
branches:  trunk
changeset: 973248:b391d41f16e9
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Thu Jun 25 06:45:10 2020 +0000

description:
Use unsigned to avoid undefined behavior in ixgbe_fc_enable_generic().
Same as ixgbe_common.c rev. 1.24. Found by KUBSan.

diffstat:

 sys/dev/pci/ixgbe/ixgbe_82598.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r cc9a48d0ed89 -r b391d41f16e9 sys/dev/pci/ixgbe/ixgbe_82598.c
--- a/sys/dev/pci/ixgbe/ixgbe_82598.c   Thu Jun 25 02:59:20 2020 +0000
+++ b/sys/dev/pci/ixgbe/ixgbe_82598.c   Thu Jun 25 06:45:10 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ixgbe_82598.c,v 1.14 2020/01/03 12:59:46 pgoyette Exp $ */
+/* $NetBSD: ixgbe_82598.c,v 1.15 2020/06/25 06:45:10 msaitoh Exp $ */
 
 /******************************************************************************
   SPDX-License-Identifier: BSD-3-Clause
@@ -538,7 +538,7 @@
        }
 
        /* Configure pause time (2 TCs per register) */
-       reg = hw->fc.pause_time * 0x00010001;
+       reg = (u32)hw->fc.pause_time * 0x00010001;
        for (i = 0; i < (IXGBE_DCB_MAX_TRAFFIC_CLASS / 2); i++)
                IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);