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Date: Sat, 9 Sep 2023 19:23:14 +0800
From: kernel test robot <lkp@...el.com>
To: Stanislav Fomichev <sdf@...gle.com>, bpf@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, ast@...nel.org, daniel@...earbox.net,
andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org,
yhs@...com, john.fastabend@...il.com, kpsingh@...nel.org,
sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org,
netdev@...r.kernel.org, Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH bpf-next 2/3] bpf: expose information about supported xdp
metadata kfunc
Hi Stanislav,
kernel test robot noticed the following build warnings:
[auto build test WARNING on bpf-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Stanislav-Fomichev/bpf-make-it-easier-to-add-new-metadata-kfunc/20230909-070017
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link: https://lore.kernel.org/r/20230908225807.1780455-3-sdf%40google.com
patch subject: [PATCH bpf-next 2/3] bpf: expose information about supported xdp metadata kfunc
config: i386-randconfig-141-20230909 (https://download.01.org/0day-ci/archive/20230909/202309091923.UTfYFF4J-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230909/202309091923.UTfYFF4J-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309091923.UTfYFF4J-lkp@intel.com/
smatch warnings:
net/core/netdev-genl.c:26 netdev_nl_dev_fill() warn: inconsistent indenting
vim +26 net/core/netdev-genl.c
11
12 static int
13 netdev_nl_dev_fill(struct net_device *netdev, struct sk_buff *rsp,
14 const struct genl_info *info)
15 {
16 u64 xdp_rx_meta = 0;
17 void *hdr;
18
19 hdr = genlmsg_iput(rsp, info);
20 if (!hdr)
21 return -EMSGSIZE;
22
23 #define XDP_METADATA_KFUNC(_, flag, __, xmo) \
24 if (netdev->xdp_metadata_ops->xmo) \
25 xdp_rx_meta |= flag;
> 26 XDP_METADATA_KFUNC_xxx
27 #undef XDP_METADATA_KFUNC
28
29 if (nla_put_u32(rsp, NETDEV_A_DEV_IFINDEX, netdev->ifindex) ||
30 nla_put_u64_64bit(rsp, NETDEV_A_DEV_XDP_FEATURES,
31 netdev->xdp_features, NETDEV_A_DEV_PAD) ||
32 nla_put_u64_64bit(rsp, NETDEV_A_DEV_XDP_RX_METADATA_FEATURES,
33 xdp_rx_meta, NETDEV_A_DEV_PAD)) {
34 genlmsg_cancel(rsp, hdr);
35 return -EINVAL;
36 }
37
38 if (netdev->xdp_features & NETDEV_XDP_ACT_XSK_ZEROCOPY) {
39 if (nla_put_u32(rsp, NETDEV_A_DEV_XDP_ZC_MAX_SEGS,
40 netdev->xdp_zc_max_segs)) {
41 genlmsg_cancel(rsp, hdr);
42 return -EINVAL;
43 }
44 }
45
46 genlmsg_end(rsp, hdr);
47
48 return 0;
49 }
50
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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