netdev - [mst-vhost:vhost 5/8] drivers/virtio/virtio_vdpa.c:291:61: error: 'sizes' undeclared

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Message-ID: <202208161151.sMYdFPvS-lkp@intel.com>
Date:   Tue, 16 Aug 2022 11:28:29 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     kbuild-all@...ts.01.org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: [mst-vhost:vhost 5/8] drivers/virtio/virtio_vdpa.c:291:61: error:
 'sizes' undeclared

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
head:   43ab8a34f3f0c7301813343b9fed2da33c37754a
commit: 71545b3c933acbf165e6596d5cfa4fd15e1ef543 [5/8] virtio: Revert "virtio: find_vqs() add arg sizes"
config: i386-buildonly-randconfig-r004-20220815 (https://download.01.org/0day-ci/archive/20220816/202208161151.sMYdFPvS-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?id=71545b3c933acbf165e6596d5cfa4fd15e1ef543
        git remote add mst-vhost https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git
        git fetch --no-tags mst-vhost vhost
        git checkout 71545b3c933acbf165e6596d5cfa4fd15e1ef543
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/virtio/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/virtio/virtio_vdpa.c: In function 'virtio_vdpa_find_vqs':
>> drivers/virtio/virtio_vdpa.c:291:61: error: 'sizes' undeclared (first use in this function)
     291 |                                                   names[i], sizes ? sizes[i] : 0,
         |                                                             ^~~~~
   drivers/virtio/virtio_vdpa.c:291:61: note: each undeclared identifier is reported only once for each function it appears in


vim +/sizes +291 drivers/virtio/virtio_vdpa.c

c043b4a8cf3b16 Jason Wang  2020-03-26  270  
3153234097f6a0 Solomon Tan 2022-04-18  271  static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs,
c043b4a8cf3b16 Jason Wang  2020-03-26  272  				struct virtqueue *vqs[],
c043b4a8cf3b16 Jason Wang  2020-03-26  273  				vq_callback_t *callbacks[],
c043b4a8cf3b16 Jason Wang  2020-03-26  274  				const char * const names[],
c043b4a8cf3b16 Jason Wang  2020-03-26  275  				const bool *ctx,
c043b4a8cf3b16 Jason Wang  2020-03-26  276  				struct irq_affinity *desc)
c043b4a8cf3b16 Jason Wang  2020-03-26  277  {
c043b4a8cf3b16 Jason Wang  2020-03-26  278  	struct virtio_vdpa_device *vd_dev = to_virtio_vdpa_device(vdev);
c043b4a8cf3b16 Jason Wang  2020-03-26  279  	struct vdpa_device *vdpa = vd_get_vdpa(vdev);
c043b4a8cf3b16 Jason Wang  2020-03-26  280  	const struct vdpa_config_ops *ops = vdpa->config;
c043b4a8cf3b16 Jason Wang  2020-03-26  281  	struct vdpa_callback cb;
c043b4a8cf3b16 Jason Wang  2020-03-26  282  	int i, err, queue_idx = 0;
c043b4a8cf3b16 Jason Wang  2020-03-26  283  
c043b4a8cf3b16 Jason Wang  2020-03-26  284  	for (i = 0; i < nvqs; ++i) {
c043b4a8cf3b16 Jason Wang  2020-03-26  285  		if (!names[i]) {
c043b4a8cf3b16 Jason Wang  2020-03-26  286  			vqs[i] = NULL;
c043b4a8cf3b16 Jason Wang  2020-03-26  287  			continue;
c043b4a8cf3b16 Jason Wang  2020-03-26  288  		}
c043b4a8cf3b16 Jason Wang  2020-03-26  289  
99e8927d8a4da8 Bo Liu      2022-08-10  290  		vqs[i] = virtio_vdpa_setup_vq(vdev, queue_idx++, callbacks[i],
99e8927d8a4da8 Bo Liu      2022-08-10 @291  						  names[i], sizes ? sizes[i] : 0,
99e8927d8a4da8 Bo Liu      2022-08-10  292  						  ctx ? ctx[i] : false);
c043b4a8cf3b16 Jason Wang  2020-03-26  293  		if (IS_ERR(vqs[i])) {
c043b4a8cf3b16 Jason Wang  2020-03-26  294  			err = PTR_ERR(vqs[i]);
c043b4a8cf3b16 Jason Wang  2020-03-26  295  			goto err_setup_vq;
c043b4a8cf3b16 Jason Wang  2020-03-26  296  		}
c043b4a8cf3b16 Jason Wang  2020-03-26  297  	}
c043b4a8cf3b16 Jason Wang  2020-03-26  298  
c043b4a8cf3b16 Jason Wang  2020-03-26  299  	cb.callback = virtio_vdpa_config_cb;
c043b4a8cf3b16 Jason Wang  2020-03-26  300  	cb.private = vd_dev;
c043b4a8cf3b16 Jason Wang  2020-03-26  301  	ops->set_config_cb(vdpa, &cb);
c043b4a8cf3b16 Jason Wang  2020-03-26  302  
c043b4a8cf3b16 Jason Wang  2020-03-26  303  	return 0;
c043b4a8cf3b16 Jason Wang  2020-03-26  304  
c043b4a8cf3b16 Jason Wang  2020-03-26  305  err_setup_vq:
c043b4a8cf3b16 Jason Wang  2020-03-26  306  	virtio_vdpa_del_vqs(vdev);
c043b4a8cf3b16 Jason Wang  2020-03-26  307  	return err;
c043b4a8cf3b16 Jason Wang  2020-03-26  308  }
c043b4a8cf3b16 Jason Wang  2020-03-26  309  

:::::: The code at line 291 was first introduced by commit
:::::: 99e8927d8a4da8eb8a8a5904dc13a3156be8e7c0 virtio_vdpa: support the arg sizes of find_vqs()

:::::: TO: Bo Liu <liubo03@...pur.com>
:::::: CC: Michael S. Tsirkin <mst@...hat.com>

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