[PATCH v2] Add payload to be 32-bit aligned to fix dropped packets
kernel test robot
lkp at intel.com
Wed Oct 20 11:27:05 AEDT 2021
Hi Kumar,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.15-rc6 next-20211019]
[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]
url: https://github.com/0day-ci/linux/commits/Kumar-Thangavel/Add-payload-to-be-32-bit-aligned-to-fix-dropped-packets/20211019-225018
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 519d81956ee277b4419c723adfb154603c2565ba
config: i386-randconfig-a005-20211019 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b37efed957ed0a0193d80020aefd55cb587dfc1f)
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/177d89a1966a0830ac30b8962ac9af76c1d675ae
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Kumar-Thangavel/Add-payload-to-be-32-bit-aligned-to-fix-dropped-packets/20211019-225018
git checkout 177d89a1966a0830ac30b8962ac9af76c1d675ae
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
>> net/ncsi/ncsi-cmd.c:298:34: error: expected ';' after expression
payload = ALIGN(nca->payload, 4)
^
;
1 error generated.
vim +298 net/ncsi/ncsi-cmd.c
274
275 static struct ncsi_request *ncsi_alloc_command(struct ncsi_cmd_arg *nca)
276 {
277 struct ncsi_dev_priv *ndp = nca->ndp;
278 struct ncsi_dev *nd = &ndp->ndev;
279 struct net_device *dev = nd->dev;
280 int hlen = LL_RESERVED_SPACE(dev);
281 int tlen = dev->needed_tailroom;
282 int payload;
283 int len = hlen + tlen;
284 struct sk_buff *skb;
285 struct ncsi_request *nr;
286
287 nr = ncsi_alloc_request(ndp, nca->req_flags);
288 if (!nr)
289 return NULL;
290
291 /* NCSI command packet has 16-bytes header, payload, 4 bytes checksum.
292 * Payload needs padding so that the checksum field following payload is
293 * aligned to 32-bit boundary.
294 * The packet needs padding if its payload is less than 26 bytes to
295 * meet 64 bytes minimal ethernet frame length.
296 */
297 len += sizeof(struct ncsi_cmd_pkt_hdr) + 4;
> 298 payload = ALIGN(nca->payload, 4)
299 if (payload < 26)
300 len += 26;
301 else
302 len += payload;
303
304 /* Allocate skb */
305 skb = alloc_skb(len, GFP_ATOMIC);
306 if (!skb) {
307 ncsi_free_request(nr);
308 return NULL;
309 }
310
311 nr->cmd = skb;
312 skb_reserve(skb, hlen);
313 skb_reset_network_header(skb);
314
315 skb->dev = dev;
316 skb->protocol = htons(ETH_P_NCSI);
317
318 return nr;
319 }
320
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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