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Date: Mon, 15 May 2017 02:48:19 +0800
From: kbuild test robot <lkp@...el.com>
To: Maciek Fijalkowski <macfij7@...pl>
Cc: kbuild-all@...org, mst@...hat.com, jasonwang@...hat.com,
virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, Maciej Fijalkowski <macfij7@...pl>
Subject: Re: [PATCH 2/3] Fix ERROR: Macros with complex values should be
enclosed in parentheses
Hi Maciej,
[auto build test ERROR on net-next/master]
[also build test ERROR on v4.12-rc1 next-20170512]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Maciek-Fijalkowski/Fix-ERROR-trailing-statements-should-be-on-next-line/20170515-021304
config: x86_64-acpi-redef (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
drivers//net/virtio_net.c:2647:20: warning: left-hand operand of comma expression has no effect [-Wunused-value]
(VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GUEST_CSUM, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2647:45: warning: left-hand operand of comma expression has no effect [-Wunused-value]
(VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GUEST_CSUM, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2648:18: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_MAC, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2649:24: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2649:47: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2649:71: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2650:23: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2650:48: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2650:73: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2651:24: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_GUEST_ECN, VIRTIO_NET_F_GUEST_UFO, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2651:48: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_GUEST_ECN, VIRTIO_NET_F_GUEST_UFO, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2652:24: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2652:45: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2652:67: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2653:22: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_CTRL_RX, VIRTIO_NET_F_CTRL_VLAN, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2653:46: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_CTRL_RX, VIRTIO_NET_F_CTRL_VLAN, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2654:29: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2654:46: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
drivers//net/virtio_net.c:2655:28: warning: left-hand operand of comma expression has no effect [-Wunused-value]
VIRTIO_NET_F_CTRL_MAC_ADDR, \
^
>> drivers//net/virtio_net.c:2659:2: note: in expansion of macro 'VIRTNET_FEATURES'
VIRTNET_FEATURES,
^~~~~~~~~~~~~~~~
>> drivers//net/virtio_net.c:2647:2: error: initializer element is not constant
(VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GUEST_CSUM, \
^
vim +/VIRTNET_FEATURES +2659 drivers//net/virtio_net.c
296f96fc Rusty Russell 2007-10-22 2641 static struct virtio_device_id id_table[] = {
296f96fc Rusty Russell 2007-10-22 2642 { VIRTIO_ID_NET, VIRTIO_DEV_ANY_ID },
296f96fc Rusty Russell 2007-10-22 2643 { 0 },
296f96fc Rusty Russell 2007-10-22 2644 };
296f96fc Rusty Russell 2007-10-22 2645
f3358507 Michael S. Tsirkin 2016-11-04 2646 #define VIRTNET_FEATURES \
d66a5bc5 Maciej Fijalkowski 2017-05-14 @2647 (VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GUEST_CSUM, \
f3358507 Michael S. Tsirkin 2016-11-04 2648 VIRTIO_NET_F_MAC, \
f3358507 Michael S. Tsirkin 2016-11-04 2649 VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6, \
f3358507 Michael S. Tsirkin 2016-11-04 2650 VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, \
f3358507 Michael S. Tsirkin 2016-11-04 2651 VIRTIO_NET_F_GUEST_ECN, VIRTIO_NET_F_GUEST_UFO, \
f3358507 Michael S. Tsirkin 2016-11-04 2652 VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ, \
f3358507 Michael S. Tsirkin 2016-11-04 2653 VIRTIO_NET_F_CTRL_RX, VIRTIO_NET_F_CTRL_VLAN, \
f3358507 Michael S. Tsirkin 2016-11-04 2654 VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, \
f3358507 Michael S. Tsirkin 2016-11-04 2655 VIRTIO_NET_F_CTRL_MAC_ADDR, \
d66a5bc5 Maciej Fijalkowski 2017-05-14 2656 VIRTIO_NET_F_MTU)
f3358507 Michael S. Tsirkin 2016-11-04 2657
c45a6816 Rusty Russell 2008-05-02 2658 static unsigned int features[] = {
f3358507 Michael S. Tsirkin 2016-11-04 @2659 VIRTNET_FEATURES,
f3358507 Michael S. Tsirkin 2016-11-04 2660 };
f3358507 Michael S. Tsirkin 2016-11-04 2661
f3358507 Michael S. Tsirkin 2016-11-04 2662 static unsigned int features_legacy[] = {
:::::: The code at line 2659 was first introduced by commit
:::::: f3358507c11999c91abf54744658bccd49b5879c virtio-net: drop legacy features in virtio 1 mode
:::::: TO: Michael S. Tsirkin <mst@...hat.com>
:::::: CC: David S. Miller <davem@...emloft.net>
---
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