Hi Eric, [auto build test WARNING on net-next/master -- if it's inappropriate base, please ignore]
config: sh-titan_defconfig (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
# save the attached .config to linux build tree
make.cross ARCH=sh
All warnings (new ones prefixed by >>):
net/ipv6/udp.c: In function 'udp6_lib_lookup2':
>> net/ipv6/udp.c:276:1: warning: label 'exact_match' defined but not used
>> [-Wunused-label]
vim +/exact_match +276 net/ipv6/udp.c
72289b96 Tom Herbert 2013-01-22 260 } else if (score ==
badness && reuseport) {
72289b96 Tom Herbert 2013-01-22 261 matches++;
8fc54f68 Daniel Borkmann 2014-08-23 262 if
(reciprocal_scale(hash, matches) == 0)
72289b96 Tom Herbert 2013-01-22 263 result
= sk;
72289b96 Tom Herbert 2013-01-22 264 hash =
next_pseudo_random32(hash);
fddc17de Eric Dumazet 2009-11-08 265 }
fddc17de Eric Dumazet 2009-11-08 266 }
fddc17de Eric Dumazet 2009-11-08 267 /*
fddc17de Eric Dumazet 2009-11-08 268 * if the nulls value we got at
the end of this lookup is
fddc17de Eric Dumazet 2009-11-08 269 * not the expected one, we
must restart lookup.
fddc17de Eric Dumazet 2009-11-08 270 * We probably met an item that
was moved to another chain.
fddc17de Eric Dumazet 2009-11-08 271 */
fddc17de Eric Dumazet 2009-11-08 272 if (get_nulls_value(node) !=
slot2)
fddc17de Eric Dumazet 2009-11-08 273 goto begin;
fddc17de Eric Dumazet 2009-11-08 274
fddc17de Eric Dumazet 2009-11-08 275 if (result) {
fddc17de Eric Dumazet 2009-11-08 @276 exact_match:
c31504dc Eric Dumazet 2010-11-15 277 if
(unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
fddc17de Eric Dumazet 2009-11-08 278 result = NULL;
fddc17de Eric Dumazet 2009-11-08 279 else if
(unlikely(compute_score2(result, net, saddr, sport,
fddc17de Eric Dumazet 2009-11-08 280
daddr, hnum, dif) < badness)) {
fddc17de Eric Dumazet 2009-11-08 281
sock_put(result);
fddc17de Eric Dumazet 2009-11-08 282 goto begin;
fddc17de Eric Dumazet 2009-11-08 283 }
fddc17de Eric Dumazet 2009-11-08 284 }
:::::: The code at line 276 was first introduced by commit
:::::: fddc17defa22d8caba1cdfb2e22b50bb4b9f35c0 ipv6: udp: optimize unicast RX
path
:::::: TO: Eric Dumazet <eric.duma...@gmail.com>
:::::: CC: David S. Miller <da...@davemloft.net>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: Binary data
