tree:   
https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
head:   2f313e029020f1fa5f58f38f48ff6988d67fc3c1
commit: 4a31340b36302d46207c6bb54d103d9fb568e916 [50/61] nfc: s3fwrn5: Use shash
config: s390-allyesconfig (attached as .config)
reproduce:
        wget 
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
 -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 4a31340b36302d46207c6bb54d103d9fb568e916
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All warnings (new ones prefixed by >>):

   drivers/nfc/s3fwrn5/firmware.c: In function 's3fwrn5_fw_download':
>> drivers/nfc/s3fwrn5/firmware.c:501:1: warning: 's3fwrn5_fw_download' uses 
>> dynamic stack allocation
    }
    ^

vim +/s3fwrn5_fw_download +501 drivers/nfc/s3fwrn5/firmware.c

c04c674f Robert Baldyga 2015-08-20  485                         goto out;
c04c674f Robert Baldyga 2015-08-20  486                 }
c04c674f Robert Baldyga 2015-08-20  487         }
c04c674f Robert Baldyga 2015-08-20  488  
c04c674f Robert Baldyga 2015-08-20  489         ret = 
s3fwrn5_fw_complete_update_mode(fw_info);
c04c674f Robert Baldyga 2015-08-20  490         if (ret < 0) {
c04c674f Robert Baldyga 2015-08-20  491                 
dev_err(&fw_info->ndev->nfc_dev->dev,
c04c674f Robert Baldyga 2015-08-20  492                         "Unable to 
complete update mode\n");
c04c674f Robert Baldyga 2015-08-20  493                 goto out;
c04c674f Robert Baldyga 2015-08-20  494         }
c04c674f Robert Baldyga 2015-08-20  495  
c04c674f Robert Baldyga 2015-08-20  496         
dev_info(&fw_info->ndev->nfc_dev->dev,
c04c674f Robert Baldyga 2015-08-20  497                 "Firmware update: 
success\n");
c04c674f Robert Baldyga 2015-08-20  498  
c04c674f Robert Baldyga 2015-08-20  499  out:
c04c674f Robert Baldyga 2015-08-20  500         return ret;
c04c674f Robert Baldyga 2015-08-20 @501  }
c04c674f Robert Baldyga 2015-08-20  502  
c04c674f Robert Baldyga 2015-08-20  503  void s3fwrn5_fw_init(struct 
s3fwrn5_fw_info *fw_info, const char *fw_name)
c04c674f Robert Baldyga 2015-08-20  504  {
c04c674f Robert Baldyga 2015-08-20  505         fw_info->parity = 0x00;
c04c674f Robert Baldyga 2015-08-20  506         fw_info->rsp = NULL;
c04c674f Robert Baldyga 2015-08-20  507         fw_info->fw.fw = NULL;
c04c674f Robert Baldyga 2015-08-20  508         strcpy(fw_info->fw_name, 
fw_name);
c04c674f Robert Baldyga 2015-08-20  509         
init_completion(&fw_info->completion);

:::::: The code at line 501 was first introduced by commit
:::::: c04c674fadeb4a8e6522fc838d4620f7cfd4c621 nfc: s3fwrn5: Add driver for 
Samsung S3FWRN5 NFC Chip

:::::: TO: Robert Baldyga <r.bald...@samsung.com>
:::::: CC: Samuel Ortiz <sa...@linux.intel.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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