Subject: [mst-vhost:vhost 45/58] drivers/s390/virtio/virtio_ccw.c:708:22: error: 'vq_info' undeclared; did you mean 'vqs_info'?

From: kernel test robot <[email-masked]>
Date: Fri, 5 Jul 2024 12:02:15 +0800

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
head:   b3dab3dfaa73df6bde78cb52f6bc03f57c4d056c
commit: f07c2dc394264dd811776de1dec9544f2181f2e4 [45/58] virtio: convert find_vqs() op implementations to find_vqs_info()
config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20240705/[email-masked]/config)
compiler: s390-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240705/[email-masked]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

   drivers/s390/virtio/virtio_ccw.c: In function 'virtio_ccw_find_vqs':
>> drivers/s390/virtio/virtio_ccw.c:708:22: error: 'vq_info' undeclared (first use in this function); did you mean 'vqs_info'?
     708 |                 if (!vq_info->name) {
         |                      ^~~~~~~
         |                      vqs_info
   drivers/s390/virtio/virtio_ccw.c:708:22: note: each undeclared identifier is reported only once for each function it appears in

vim +708 drivers/s390/virtio/virtio_ccw.c

   689	
   690	static int virtio_ccw_find_vqs(struct virtio_device *vdev, unsigned nvqs,
   691				       struct virtqueue *vqs[],
   692				       struct virtqueue_info vqs_info[],
   693				       struct irq_affinity *desc)
   694	{
   695		struct virtio_ccw_device *vcdev = to_vc_device(vdev);
   696		struct virtqueue_info *vqi;
   697		dma64_t *indicatorp = NULL;
   698		int ret, i, queue_idx = 0;
   699		struct ccw1 *ccw;
   700		dma32_t indicatorp_dma = 0;
   701	
   702		ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw), NULL);
   703		if (!ccw)
   704			return -ENOMEM;
   705	
   706		for (i = 0; i < nvqs; ++i) {
   707			vqi = &vqs_info[i];
 > 708			if (!vq_info->name) {
   709				vqs[i] = NULL;
   710				continue;
   711			}
   712	
   713			vqs[i] = virtio_ccw_setup_vq(vdev, queue_idx++, vqi->callback,
   714						     vqi->name, vqi->ctx, ccw);
   715			if (IS_ERR(vqs[i])) {
   716				ret = PTR_ERR(vqs[i]);
   717				vqs[i] = NULL;
   718				goto out;
   719			}
   720		}
   721		ret = -ENOMEM;
   722		/*
   723		 * We need a data area under 2G to communicate. Our payload is
   724		 * the address of the indicators.
   725		*/
   726		indicatorp = ccw_device_dma_zalloc(vcdev->cdev,
   727						   sizeof(*indicatorp),
   728						   &indicatorp_dma);
   729		if (!indicatorp)
   730			goto out;
   731		*indicatorp = indicators_dma(vcdev);
   732		if (vcdev->is_thinint) {
   733			ret = virtio_ccw_register_adapter_ind(vcdev, vqs, nvqs, ccw);
   734			if (ret)
   735				/* no error, just fall back to legacy interrupts */
   736				vcdev->is_thinint = false;
   737		}
   738		ccw->cda = indicatorp_dma;
   739		if (!vcdev->is_thinint) {
   740			/* Register queue indicators with host. */
   741			*indicators(vcdev) = 0;
   742			ccw->cmd_code = CCW_CMD_SET_IND;
   743			ccw->flags = 0;
   744			ccw->count = sizeof(*indicatorp);
   745			ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_IND);
   746			if (ret)
   747				goto out;
   748		}
   749		/* Register indicators2 with host for config changes */
   750		*indicatorp = indicators2_dma(vcdev);
   751		*indicators2(vcdev) = 0;
   752		ccw->cmd_code = CCW_CMD_SET_CONF_IND;
   753		ccw->flags = 0;
   754		ccw->count = sizeof(*indicatorp);
   755		ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_CONF_IND);
   756		if (ret)
   757			goto out;
   758	
   759		if (indicatorp)
   760			ccw_device_dma_free(vcdev->cdev, indicatorp,
   761					    sizeof(*indicatorp));
   762		ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));
   763		return 0;
   764	out:
   765		if (indicatorp)
   766			ccw_device_dma_free(vcdev->cdev, indicatorp,
   767					    sizeof(*indicatorp));
   768		ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));
   769		virtio_ccw_del_vqs(vdev);
   770		return ret;
   771	}
   772	

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