Hi Ioana,

I love your patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]

url:    
https://github.com/0day-ci/linux/commits/Ioana-Ciornei/dpaa2-eth-add-rx-copybreak-support/20210402-022225
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 
040806343bb4ef6365166eae666ced8a91b95321
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # 
https://github.com/0day-ci/linux/commit/0550b91894796909d20b7cfdcd4a751a49d708a3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Ioana-Ciornei/dpaa2-eth-add-rx-copybreak-support/20210402-022225
        git checkout 0550b91894796909d20b7cfdcd4a751a49d708a3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross 
ARCH=arm64 

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

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c:421:17: warning: no 
>> previous prototype for 'dpaa2_eth_copybreak' [-Wmissing-prototypes]
     421 | struct sk_buff *dpaa2_eth_copybreak(struct dpaa2_eth_channel *ch,
         |                 ^~~~~~~~~~~~~~~~~~~


vim +/dpaa2_eth_copybreak +421 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c

   420  
 > 421  struct sk_buff *dpaa2_eth_copybreak(struct dpaa2_eth_channel *ch,
   422                                      const struct dpaa2_fd *fd, void 
*fd_vaddr)
   423  {
   424          u16 fd_offset = dpaa2_fd_get_offset(fd);
   425          u32 fd_length = dpaa2_fd_get_len(fd);
   426          struct sk_buff *skb = NULL;
   427          unsigned int skb_len;
   428  
   429          if (fd_length > DPAA2_ETH_DEFAULT_COPYBREAK)
   430                  return NULL;
   431  
   432          skb_len = fd_length + dpaa2_eth_needed_headroom(NULL);
   433  
   434          skb = napi_alloc_skb(&ch->napi, skb_len);
   435          if (!skb)
   436                  return NULL;
   437  
   438          skb_reserve(skb, dpaa2_eth_needed_headroom(NULL));
   439          skb_put(skb, fd_length);
   440  
   441          memcpy(skb->data, fd_vaddr + fd_offset, fd_length);
   442  
   443          dpaa2_eth_recycle_buf(ch->priv, ch, dpaa2_fd_get_addr(fd));
   444  
   445          return skb;
   446  }
   447  

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

Attachment: .config.gz
Description: application/gzip

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