tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master head: 371f1c7e0d854796adc622cc3bacfcc5fc638db1 commit: 8cbc870829ecd8f1062f2a756683c80e2d1eae7f [1236/1358] netfilter: nfnetlink_log: validate dependencies to avoid breaking atomicity config: m68k-sun3_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 git checkout 8cbc870829ecd8f1062f2a756683c80e2d1eae7f # save the attached .config to linux build tree make.cross ARCH=m68k
Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): net/netfilter/nfnetlink_log.c: In function 'nfulnl_recv_config': >> net/netfilter/nfnetlink_log.c:320:14: warning: 'flags' may be used >> uninitialized in this function [-Wmaybe-uninitialized] inst->flags = flags; ^ net/netfilter/nfnetlink_log.c:828:6: note: 'flags' was declared here u16 flags; ^ vim +/flags +320 net/netfilter/nfnetlink_log.c 0597f268 Harald Welte 2005-08-09 304 } 0597f268 Harald Welte 2005-08-09 305 0597f268 Harald Welte 2005-08-09 306 static int 0597f268 Harald Welte 2005-08-09 307 nfulnl_set_qthresh(struct nfulnl_instance *inst, u_int32_t qthresh) 0597f268 Harald Welte 2005-08-09 308 { 0597f268 Harald Welte 2005-08-09 309 spin_lock_bh(&inst->lock); 0597f268 Harald Welte 2005-08-09 310 inst->qthreshold = qthresh; 0597f268 Harald Welte 2005-08-09 311 spin_unlock_bh(&inst->lock); 0597f268 Harald Welte 2005-08-09 312 0597f268 Harald Welte 2005-08-09 313 return 0; 0597f268 Harald Welte 2005-08-09 314 } 0597f268 Harald Welte 2005-08-09 315 0af5f6c1 Harald Welte 2006-03-20 316 static int 0af5f6c1 Harald Welte 2006-03-20 317 nfulnl_set_flags(struct nfulnl_instance *inst, u_int16_t flags) 0af5f6c1 Harald Welte 2006-03-20 318 { 0af5f6c1 Harald Welte 2006-03-20 319 spin_lock_bh(&inst->lock); ee433530 Patrick McHardy 2006-05-19 @320 inst->flags = flags; 0af5f6c1 Harald Welte 2006-03-20 321 spin_unlock_bh(&inst->lock); 0af5f6c1 Harald Welte 2006-03-20 322 0af5f6c1 Harald Welte 2006-03-20 323 return 0; 0af5f6c1 Harald Welte 2006-03-20 324 } 0af5f6c1 Harald Welte 2006-03-20 325 c6a8f648 Michal Miroslaw 2007-09-28 326 static struct sk_buff * afff14f6 Gao feng 2013-09-23 327 nfulnl_alloc_skb(struct net *net, u32 peer_portid, unsigned int inst_size, afff14f6 Gao feng 2013-09-23 328 unsigned int pkt_size) :::::: The code at line 320 was first introduced by commit :::::: ee433530d96a7b0af24ab616e5b51f1d89f9ae38 [NETFILTER]: nfnetlink_log: fix byteorder confusion :::::: TO: Patrick McHardy <ka...@trash.net> :::::: 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
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