Hi David, [auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Roopa-Prabhu/net-extend-RTM_GETROUTE-to-return-fib-result/20170525-053253 config: cris-etrax-100lx_v2_defconfig (attached as .config) compiler: cris-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=cris Note: the linux-review/Roopa-Prabhu/net-extend-RTM_GETROUTE-to-return-fib-result/20170525-053253 HEAD 083c4ee9e124d0acf29d159ced8a22cb41665a7a builds fine. It only hurts bisectibility. All error/warnings (new ones prefixed by >>): In file included from include/net/route.h:31:0, from include/net/lwtunnel.h:8, from include/net/ip_tunnels.h:17, from include/net/dst_metadata.h:5, from net/ipv4/route.c:94: net/ipv4/route.c: In function 'ip_route_output_key_hash_rcu': >> include/net/ip_fib.h:167:32: error: 'res' is a pointer; did you mean to use >> '->'? #define FIB_RES_NH(res) ((res).fi->fib_nh[0]) ^ -> >> include/net/ip_fib.h:196:28: note: in expansion of macro 'FIB_RES_NH' #define FIB_RES_DEV(res) (FIB_RES_NH(res).nh_dev) ^~~~~~~~~~ >> net/ipv4/route.c:2399:35: note: in expansion of macro 'FIB_RES_DEV' dev_out = l3mdev_master_dev_rcu(FIB_RES_DEV(res)) ? : ^~~~~~~~~~~ net/ipv4/route.c: In function 'ip_route_output_key_hash': >> net/ipv4/route.c:2430:53: error: 'mp_hash' undeclared (first use in this >> function) rth = ip_route_output_key_hash_rcu(net, fl4, &res, mp_hash); ^~~~~~~ net/ipv4/route.c:2430:53: note: each undeclared identifier is reported only once for each function it appears in >> net/ipv4/route.c:2430:47: error: passing argument 3 of >> 'ip_route_output_key_hash_rcu' from incompatible pointer type >> [-Werror=incompatible-pointer-types] rth = ip_route_output_key_hash_rcu(net, fl4, &res, mp_hash); ^ net/ipv4/route.c:2249:16: note: expected 'const struct sk_buff *' but argument is of type 'struct fib_result *' struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/net/route.h:31:0, from include/net/lwtunnel.h:8, from include/net/ip_tunnels.h:17, from include/net/dst_metadata.h:5, from net//ipv4/route.c:94: net//ipv4/route.c: In function 'ip_route_output_key_hash_rcu': >> include/net/ip_fib.h:167:32: error: 'res' is a pointer; did you mean to use >> '->'? #define FIB_RES_NH(res) ((res).fi->fib_nh[0]) ^ -> >> include/net/ip_fib.h:196:28: note: in expansion of macro 'FIB_RES_NH' #define FIB_RES_DEV(res) (FIB_RES_NH(res).nh_dev) ^~~~~~~~~~ net//ipv4/route.c:2399:35: note: in expansion of macro 'FIB_RES_DEV' dev_out = l3mdev_master_dev_rcu(FIB_RES_DEV(res)) ? : ^~~~~~~~~~~ net//ipv4/route.c: In function 'ip_route_output_key_hash': net//ipv4/route.c:2430:53: error: 'mp_hash' undeclared (first use in this function) rth = ip_route_output_key_hash_rcu(net, fl4, &res, mp_hash); ^~~~~~~ net//ipv4/route.c:2430:53: note: each undeclared identifier is reported only once for each function it appears in net//ipv4/route.c:2430:47: error: passing argument 3 of 'ip_route_output_key_hash_rcu' from incompatible pointer type [-Werror=incompatible-pointer-types] rth = ip_route_output_key_hash_rcu(net, fl4, &res, mp_hash); ^ net//ipv4/route.c:2249:16: note: expected 'const struct sk_buff *' but argument is of type 'struct fib_result *' struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/mp_hash +2430 net/ipv4/route.c 2393 fl4->saddr = res->fi->fib_prefsrc; 2394 else 2395 fl4->saddr = fl4->daddr; 2396 } 2397 2398 /* L3 master device is the loopback for that domain */ > 2399 dev_out = l3mdev_master_dev_rcu(FIB_RES_DEV(res)) ? : 2400 net->loopback_dev; 2401 fl4->flowi4_oif = dev_out->ifindex; 2402 flags |= RTCF_LOCAL; 2403 goto make_route; 2404 } 2405 2406 fib_select_path(net, res, fl4, skb); 2407 2408 dev_out = FIB_RES_DEV(*res); 2409 fl4->flowi4_oif = dev_out->ifindex; 2410 2411 2412 make_route: 2413 rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags); 2414 2415 out: 2416 return rth; 2417 } 2418 2419 struct rtable *ip_route_output_key_hash(struct net *net, struct flowi4 *fl4, 2420 const struct sk_buff *skb) 2421 { 2422 struct fib_result res; 2423 struct rtable *rth; 2424 2425 res.tclassid = 0; 2426 res.fi = NULL; 2427 res.table = NULL; 2428 2429 rcu_read_lock(); > 2430 rth = ip_route_output_key_hash_rcu(net, fl4, &res, mp_hash); 2431 rcu_read_unlock(); 2432 2433 return rth; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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