[wireless-testsing2:master 6/6] drivers/net/ethernet/pensando/ionic/ionic_main.c:433:2: warning: 'strncpy' output truncated copying 31 bytes from a string of length 33

[wireless-testsing2:master 6/6] drivers/net/ethernet/pensando/ionic/ionic_main.c:433:2: warning: 'strncpy' output truncated copying 31 bytes from a string of length 33

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-testing.git master
head:   3cbd2cabbd29fd3883bfd479b44e7059139fe2ea
commit: 3cbd2cabbd29fd3883bfd479b44e7059139fe2ea [6/6] Add localversion to identify builds from this tree
config: ia64-randconfig-r005-20200519 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 3cbd2cabbd29fd3883bfd479b44e7059139fe2ea
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

drivers/net/ethernet/pensando/ionic/ionic_main.c: In function 'ionic_identify':
>> drivers/net/ethernet/pensando/ionic/ionic_main.c:433:2: warning: 'strncpy' output truncated copying 31 bytes from a string of length 33 [-Wstringop-truncation]
433 |  strncpy(ident->drv.driver_ver_str, UTS_RELEASE,
|  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
434 |   sizeof(ident->drv.driver_ver_str) - 1);
|   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/strncpy +433 drivers/net/ethernet/pensando/ionic/ionic_main.c

fbfb8031533c92 Shannon Nelson 2019-09-03  422  
fbfb8031533c92 Shannon Nelson 2019-09-03  423  int ionic_identify(struct ionic *ionic)
fbfb8031533c92 Shannon Nelson 2019-09-03  424  {
fbfb8031533c92 Shannon Nelson 2019-09-03  425  	struct ionic_identity *ident = &ionic->ident;
fbfb8031533c92 Shannon Nelson 2019-09-03  426  	struct ionic_dev *idev = &ionic->idev;
fbfb8031533c92 Shannon Nelson 2019-09-03  427  	size_t sz;
fbfb8031533c92 Shannon Nelson 2019-09-03  428  	int err;
fbfb8031533c92 Shannon Nelson 2019-09-03  429  
fbfb8031533c92 Shannon Nelson 2019-09-03  430  	memset(ident, 0, sizeof(*ident));
fbfb8031533c92 Shannon Nelson 2019-09-03  431  
fbfb8031533c92 Shannon Nelson 2019-09-03  432  	ident->drv.os_type = cpu_to_le32(IONIC_OS_TYPE_LINUX);
1fcbebf115d9ce Shannon Nelson 2020-03-06 @433  	strncpy(ident->drv.driver_ver_str, UTS_RELEASE,
fbfb8031533c92 Shannon Nelson 2019-09-03  434  		sizeof(ident->drv.driver_ver_str) - 1);
fbfb8031533c92 Shannon Nelson 2019-09-03  435  
fbfb8031533c92 Shannon Nelson 2019-09-03  436  	mutex_lock(&ionic->dev_cmd_lock);
fbfb8031533c92 Shannon Nelson 2019-09-03  437  
fbfb8031533c92 Shannon Nelson 2019-09-03  438  	sz = min(sizeof(ident->drv), sizeof(idev->dev_cmd_regs->data));
fbfb8031533c92 Shannon Nelson 2019-09-03  439  	memcpy_toio(&idev->dev_cmd_regs->data, &ident->drv, sz);
fbfb8031533c92 Shannon Nelson 2019-09-03  440  
fbfb8031533c92 Shannon Nelson 2019-09-03  441  	ionic_dev_cmd_identify(idev, IONIC_IDENTITY_VERSION_1);
fbfb8031533c92 Shannon Nelson 2019-09-03  442  	err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
fbfb8031533c92 Shannon Nelson 2019-09-03  443  	if (!err) {
fbfb8031533c92 Shannon Nelson 2019-09-03  444  		sz = min(sizeof(ident->dev), sizeof(idev->dev_cmd_regs->data));
fbfb8031533c92 Shannon Nelson 2019-09-03  445  		memcpy_fromio(&ident->dev, &idev->dev_cmd_regs->data, sz);
fbfb8031533c92 Shannon Nelson 2019-09-03  446  	}
fbfb8031533c92 Shannon Nelson 2019-09-03  447  
fbfb8031533c92 Shannon Nelson 2019-09-03  448  	mutex_unlock(&ionic->dev_cmd_lock);
fbfb8031533c92 Shannon Nelson 2019-09-03  449  
fbfb8031533c92 Shannon Nelson 2019-09-03  450  	if (err)
fbfb8031533c92 Shannon Nelson 2019-09-03  451  		goto err_out_unmap;
fbfb8031533c92 Shannon Nelson 2019-09-03  452  
fbfb8031533c92 Shannon Nelson 2019-09-03  453  	ionic_debugfs_add_ident(ionic);
fbfb8031533c92 Shannon Nelson 2019-09-03  454  
fbfb8031533c92 Shannon Nelson 2019-09-03  455  	return 0;
fbfb8031533c92 Shannon Nelson 2019-09-03  456  
fbfb8031533c92 Shannon Nelson 2019-09-03  457  err_out_unmap:
fbfb8031533c92 Shannon Nelson 2019-09-03  458  	return err;
fbfb8031533c92 Shannon Nelson 2019-09-03  459  }
fbfb8031533c92 Shannon Nelson 2019-09-03  460  

:::::: The code at line 433 was first introduced by commit
:::::: 1fcbebf115d9ce077c2ba5ecfb521cc1eedcb467 ionic: drop ethtool driver version

:::::: TO: Shannon Nelson <snelson@pensando.io>
:::::: CC: David S. Miller <davem@davemloft.net>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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