Re: [PATCH V1] net: mhi : Add support to enable ethernet interface

kernel test robot
2023-07-02T13:37:53Z

Hi Vivek,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]
[also build test WARNING on net/main linus/master v6.4 next-20230630]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Vivek-Pernamitta/net-mhi-Add-support-to-enable-ethernet-interface/20230630-174659
base: net-next/main
patch link: https://lore.kernel.org/r/1688118281-13032-1-git-send-email-quic_vpernami%40quicinc.com
patch subject: [PATCH V1] net: mhi : Add support to enable ethernet interface
config: i386-randconfig-i062-20230702 (https://download.01.org/0day-ci/archive/20230702/202307022148.nlp4Fazk-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230702/202307022148.nlp4Fazk-lkp@intel.com/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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307022148.nlp4Fazk-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/net/mhi_net.c:327:37: sparse: sparse: incorrect type in argument 1 (different modifiers) @@ expected unsigned char [usertype] *addr @@ got unsigned char const *dev_addr @@
drivers/net/mhi_net.c:327:37: sparse: expected unsigned char [usertype] *addr
drivers/net/mhi_net.c:327:37: sparse: got unsigned char const *dev_addr

vim +327 drivers/net/mhi_net.c

320
321 static int mhi_net_newlink(struct mhi_device *mhi_dev, struct net_device *ndev, bool eth_dev)
322 {
323 struct mhi_net_dev *mhi_netdev;
324 int err;
325
326 if (eth_dev) {
> 327 eth_random_addr(ndev->dev_addr);
328 if (!is_valid_ether_addr(ndev->dev_addr))
329 return -EADDRNOTAVAIL;
330 }
331
332 mhi_netdev = netdev_priv(ndev);
333
334 dev_set_drvdata(&mhi_dev->dev, mhi_netdev);
335 mhi_netdev->ndev = ndev;
336 mhi_netdev->mdev = mhi_dev;
337 mhi_netdev->skbagg_head = NULL;
338 mhi_netdev->mru = mhi_dev->mhi_cntrl->mru;
339 mhi_netdev->ethernet_if = eth_dev;
340
341 INIT_DELAYED_WORK(&mhi_netdev->rx_refill, mhi_net_rx_refill_work);
342 u64_stats_init(&mhi_netdev->stats.rx_syncp);
343 u64_stats_init(&mhi_netdev->stats.tx_syncp);
344
345 /* Start MHI channels */
346 err = mhi_prepare_for_transfer(mhi_dev);
347 if (err)
348 return err;
349
350 /* Number of transfer descriptors determines size of the queue */
351 mhi_netdev->rx_queue_sz = mhi_get_free_desc_count(mhi_dev, DMA_FROM_DEVICE);
352
353 err = register_netdev(ndev);
354 if (err)
355 return err;
356
357 return 0;
358 }
359

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