[kees:for-next/kspp 12/12] net/decnet/dn_route.c:1123:15: error: casting from randomized structure pointer type 'struct neighbour *' to 'struct dn_neigh *'
From: kernel test robot
Date: Wed May 04 2022 - 00:58:37 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/kspp
head: 1fe35f29cf8220a5f9ab39ee3e5c722eb716b6fa
commit: 1fe35f29cf8220a5f9ab39ee3e5c722eb716b6fa [12/12] randstruct: Enable Clang support
config: hexagon-randconfig-r034-20220502 (https://download.01.org/0day-ci/archive/20220504/202205041247.WKBEHGS5-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 363b3a645a1e30011cc8da624f13dac5fd915628)
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://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?id=1fe35f29cf8220a5f9ab39ee3e5c722eb716b6fa
git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git
git fetch --no-tags kees for-next/kspp
git checkout 1fe35f29cf8220a5f9ab39ee3e5c722eb716b6fa
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash net/decnet/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
>> net/decnet/dn_route.c:1123:15: error: casting from randomized structure pointer type 'struct neighbour *' to 'struct dn_neigh *'
gateway = ((struct dn_neigh *)neigh)->addr;
^
net/decnet/dn_route.c:1432:15: error: casting from randomized structure pointer type 'struct neighbour *' to 'struct dn_neigh *'
gateway = ((struct dn_neigh *)neigh)->addr;
^
2 errors generated.
--
>> net/decnet/dn_dev.c:857:25: error: casting from randomized structure pointer type 'struct neighbour *' to 'struct dn_neigh *'
struct dn_neigh *dn = (struct dn_neigh *)dn_db->router;
^
net/decnet/dn_dev.c:905:24: error: casting from randomized structure pointer type 'struct neighbour *' to 'struct dn_neigh *'
struct dn_neigh *dn = (struct dn_neigh *)dn_db->router;
^
2 errors generated.
--
>> net/decnet/dn_neigh.c:429:26: error: casting from randomized structure pointer type 'struct neighbour *' to 'struct dn_neigh *'
if (msg->priority > ((struct dn_neigh *)dn_db->router)->priority)
^
1 error generated.
vim +1123 net/decnet/dn_route.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 952
bef55aebd560c5 David S. Miller 2011-03-12 953 static int dn_route_output_slow(struct dst_entry **pprt, const struct flowidn *oldflp, int try_hard)
^1da177e4c3f41 Linus Torvalds 2005-04-16 954 {
bef55aebd560c5 David S. Miller 2011-03-12 955 struct flowidn fld = {
bef55aebd560c5 David S. Miller 2011-03-12 956 .daddr = oldflp->daddr,
bef55aebd560c5 David S. Miller 2011-03-12 957 .saddr = oldflp->saddr,
bef55aebd560c5 David S. Miller 2011-03-12 958 .flowidn_scope = RT_SCOPE_UNIVERSE,
bef55aebd560c5 David S. Miller 2011-03-12 959 .flowidn_mark = oldflp->flowidn_mark,
1fb9489bf190ce Pavel Emelyanov 2012-08-08 960 .flowidn_iif = LOOPBACK_IFINDEX,
bef55aebd560c5 David S. Miller 2011-03-12 961 .flowidn_oif = oldflp->flowidn_oif,
1d28f42c1bd4bb David S. Miller 2011-03-12 962 };
^1da177e4c3f41 Linus Torvalds 2005-04-16 963 struct dn_route *rt = NULL;
7562f876cd9380 Pavel Emelianov 2007-05-03 964 struct net_device *dev_out = NULL, *dev;
^1da177e4c3f41 Linus Torvalds 2005-04-16 965 struct neighbour *neigh = NULL;
95c961747284a6 Eric Dumazet 2012-04-15 966 unsigned int hash;
95c961747284a6 Eric Dumazet 2012-04-15 967 unsigned int flags = 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 968 struct dn_fib_res res = { .fi = NULL, .type = RTN_UNICAST };
^1da177e4c3f41 Linus Torvalds 2005-04-16 969 int err;
^1da177e4c3f41 Linus Torvalds 2005-04-16 970 int free_res = 0;
c4ea94ab3710eb Steven Whitehouse 2006-03-20 971 __le16 gateway = 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 972
^1da177e4c3f41 Linus Torvalds 2005-04-16 973 if (decnet_debug_level & 16)
^1da177e4c3f41 Linus Torvalds 2005-04-16 974 printk(KERN_DEBUG
^1da177e4c3f41 Linus Torvalds 2005-04-16 975 "dn_route_output_slow: dst=%04x src=%04x mark=%d"
bef55aebd560c5 David S. Miller 2011-03-12 976 " iif=%d oif=%d\n", le16_to_cpu(oldflp->daddr),
bef55aebd560c5 David S. Miller 2011-03-12 977 le16_to_cpu(oldflp->saddr),
1fb9489bf190ce Pavel Emelyanov 2012-08-08 978 oldflp->flowidn_mark, LOOPBACK_IFINDEX,
bef55aebd560c5 David S. Miller 2011-03-12 979 oldflp->flowidn_oif);
^1da177e4c3f41 Linus Torvalds 2005-04-16 980
^1da177e4c3f41 Linus Torvalds 2005-04-16 981 /* If we have an output interface, verify its a DECnet device */
bef55aebd560c5 David S. Miller 2011-03-12 982 if (oldflp->flowidn_oif) {
bef55aebd560c5 David S. Miller 2011-03-12 983 dev_out = dev_get_by_index(&init_net, oldflp->flowidn_oif);
^1da177e4c3f41 Linus Torvalds 2005-04-16 984 err = -ENODEV;
^1da177e4c3f41 Linus Torvalds 2005-04-16 985 if (dev_out && dev_out->dn_ptr == NULL) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 986 dev_put(dev_out);
^1da177e4c3f41 Linus Torvalds 2005-04-16 987 dev_out = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 988 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 989 if (dev_out == NULL)
^1da177e4c3f41 Linus Torvalds 2005-04-16 990 goto out;
^1da177e4c3f41 Linus Torvalds 2005-04-16 991 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 992
^1da177e4c3f41 Linus Torvalds 2005-04-16 993 /* If we have a source address, verify that its a local address */
bef55aebd560c5 David S. Miller 2011-03-12 994 if (oldflp->saddr) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 995 err = -EADDRNOTAVAIL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 996
^1da177e4c3f41 Linus Torvalds 2005-04-16 997 if (dev_out) {
bef55aebd560c5 David S. Miller 2011-03-12 998 if (dn_dev_islocal(dev_out, oldflp->saddr))
^1da177e4c3f41 Linus Torvalds 2005-04-16 999 goto source_ok;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1000 dev_put(dev_out);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1001 goto out;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1002 }
c6d14c84566d6b Eric Dumazet 2009-11-04 1003 rcu_read_lock();
c6d14c84566d6b Eric Dumazet 2009-11-04 1004 for_each_netdev_rcu(&init_net, dev) {
7562f876cd9380 Pavel Emelianov 2007-05-03 1005 if (!dev->dn_ptr)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1006 continue;
bef55aebd560c5 David S. Miller 2011-03-12 1007 if (!dn_dev_islocal(dev, oldflp->saddr))
9bbf28a1ff7b9d Patrick Caulfield 2006-08-02 1008 continue;
7562f876cd9380 Pavel Emelianov 2007-05-03 1009 if ((dev->flags & IFF_LOOPBACK) &&
bef55aebd560c5 David S. Miller 2011-03-12 1010 oldflp->daddr &&
bef55aebd560c5 David S. Miller 2011-03-12 1011 !dn_dev_islocal(dev, oldflp->daddr))
9bbf28a1ff7b9d Patrick Caulfield 2006-08-02 1012 continue;
7562f876cd9380 Pavel Emelianov 2007-05-03 1013
7562f876cd9380 Pavel Emelianov 2007-05-03 1014 dev_out = dev;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1015 break;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1016 }
c6d14c84566d6b Eric Dumazet 2009-11-04 1017 rcu_read_unlock();
^1da177e4c3f41 Linus Torvalds 2005-04-16 1018 if (dev_out == NULL)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1019 goto out;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1020 dev_hold(dev_out);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1021 source_ok:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1022 ;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1023 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1024
^1da177e4c3f41 Linus Torvalds 2005-04-16 1025 /* No destination? Assume its local */
bef55aebd560c5 David S. Miller 2011-03-12 1026 if (!fld.daddr) {
bef55aebd560c5 David S. Miller 2011-03-12 1027 fld.daddr = fld.saddr;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1028
^1da177e4c3f41 Linus Torvalds 2005-04-16 1029 dev_put(dev_out);
a36a0d4008488f David S. Miller 2016-04-10 1030 err = -EINVAL;
2774c7aba6c97a Eric W. Biederman 2007-09-26 1031 dev_out = init_net.loopback_dev;
a36a0d4008488f David S. Miller 2016-04-10 1032 if (!dev_out->dn_ptr)
a36a0d4008488f David S. Miller 2016-04-10 1033 goto out;
a36a0d4008488f David S. Miller 2016-04-10 1034 err = -EADDRNOTAVAIL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1035 dev_hold(dev_out);
bef55aebd560c5 David S. Miller 2011-03-12 1036 if (!fld.daddr) {
bef55aebd560c5 David S. Miller 2011-03-12 1037 fld.daddr =
bef55aebd560c5 David S. Miller 2011-03-12 1038 fld.saddr = dnet_select_source(dev_out, 0,
^1da177e4c3f41 Linus Torvalds 2005-04-16 1039 RT_SCOPE_HOST);
bef55aebd560c5 David S. Miller 2011-03-12 1040 if (!fld.daddr)
3f96d644976825 Vadim Fedorenko 2021-01-26 1041 goto done;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1042 }
1fb9489bf190ce Pavel Emelyanov 2012-08-08 1043 fld.flowidn_oif = LOOPBACK_IFINDEX;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1044 res.type = RTN_LOCAL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1045 goto make_route;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1046 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1047
^1da177e4c3f41 Linus Torvalds 2005-04-16 1048 if (decnet_debug_level & 16)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1049 printk(KERN_DEBUG
^1da177e4c3f41 Linus Torvalds 2005-04-16 1050 "dn_route_output_slow: initial checks complete."
46b9e4bb76ee26 Rasmus Villemoes 2015-02-23 1051 " dst=%04x src=%04x oif=%d try_hard=%d\n",
bef55aebd560c5 David S. Miller 2011-03-12 1052 le16_to_cpu(fld.daddr), le16_to_cpu(fld.saddr),
bef55aebd560c5 David S. Miller 2011-03-12 1053 fld.flowidn_oif, try_hard);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1054
^1da177e4c3f41 Linus Torvalds 2005-04-16 1055 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 1056 * N.B. If the kernel is compiled without router support then
^1da177e4c3f41 Linus Torvalds 2005-04-16 1057 * dn_fib_lookup() will evaluate to non-zero so this if () block
^1da177e4c3f41 Linus Torvalds 2005-04-16 1058 * will always be executed.
^1da177e4c3f41 Linus Torvalds 2005-04-16 1059 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1060 err = -ESRCH;
bef55aebd560c5 David S. Miller 2011-03-12 1061 if (try_hard || (err = dn_fib_lookup(&fld, &res)) != 0) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 1062 struct dn_dev *dn_db;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1063 if (err != -ESRCH)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1064 goto out;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1065 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 1066 * Here the fallback is basically the standard algorithm for
^1da177e4c3f41 Linus Torvalds 2005-04-16 1067 * routing in endnodes which is described in the DECnet routing
^1da177e4c3f41 Linus Torvalds 2005-04-16 1068 * docs
^1da177e4c3f41 Linus Torvalds 2005-04-16 1069 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 1070 * If we are not trying hard, look in neighbour cache.
^1da177e4c3f41 Linus Torvalds 2005-04-16 1071 * The result is tested to ensure that if a specific output
^1da177e4c3f41 Linus Torvalds 2005-04-16 1072 * device/source address was requested, then we honour that
^1da177e4c3f41 Linus Torvalds 2005-04-16 1073 * here
^1da177e4c3f41 Linus Torvalds 2005-04-16 1074 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1075 if (!try_hard) {
bef55aebd560c5 David S. Miller 2011-03-12 1076 neigh = neigh_lookup_nodev(&dn_neigh_table, &init_net, &fld.daddr);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1077 if (neigh) {
bef55aebd560c5 David S. Miller 2011-03-12 1078 if ((oldflp->flowidn_oif &&
bef55aebd560c5 David S. Miller 2011-03-12 1079 (neigh->dev->ifindex != oldflp->flowidn_oif)) ||
bef55aebd560c5 David S. Miller 2011-03-12 1080 (oldflp->saddr &&
^1da177e4c3f41 Linus Torvalds 2005-04-16 1081 (!dn_dev_islocal(neigh->dev,
bef55aebd560c5 David S. Miller 2011-03-12 1082 oldflp->saddr)))) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 1083 neigh_release(neigh);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1084 neigh = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1085 } else {
^1da177e4c3f41 Linus Torvalds 2005-04-16 1086 dev_put(dev_out);
bef55aebd560c5 David S. Miller 2011-03-12 1087 if (dn_dev_islocal(neigh->dev, fld.daddr)) {
2774c7aba6c97a Eric W. Biederman 2007-09-26 1088 dev_out = init_net.loopback_dev;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1089 res.type = RTN_LOCAL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1090 } else {
^1da177e4c3f41 Linus Torvalds 2005-04-16 1091 dev_out = neigh->dev;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1092 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1093 dev_hold(dev_out);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1094 goto select_source;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1095 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1096 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1097 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1098
^1da177e4c3f41 Linus Torvalds 2005-04-16 1099 /* Not there? Perhaps its a local address */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1100 if (dev_out == NULL)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1101 dev_out = dn_dev_get_default();
^1da177e4c3f41 Linus Torvalds 2005-04-16 1102 err = -ENODEV;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1103 if (dev_out == NULL)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1104 goto out;
fc766e4c496591 Eric Dumazet 2010-10-29 1105 dn_db = rcu_dereference_raw(dev_out->dn_ptr);
a36a0d4008488f David S. Miller 2016-04-10 1106 if (!dn_db)
a36a0d4008488f David S. Miller 2016-04-10 1107 goto e_inval;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1108 /* Possible improvement - check all devices for local addr */
bef55aebd560c5 David S. Miller 2011-03-12 1109 if (dn_dev_islocal(dev_out, fld.daddr)) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 1110 dev_put(dev_out);
2774c7aba6c97a Eric W. Biederman 2007-09-26 1111 dev_out = init_net.loopback_dev;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1112 dev_hold(dev_out);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1113 res.type = RTN_LOCAL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1114 goto select_source;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1115 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1116 /* Not local either.... try sending it to the default router */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1117 neigh = neigh_clone(dn_db->router);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1118 BUG_ON(neigh && neigh->dev != dev_out);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1119
^1da177e4c3f41 Linus Torvalds 2005-04-16 1120 /* Ok then, we assume its directly connected and move on */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1121 select_source:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1122 if (neigh)
^1da177e4c3f41 Linus Torvalds 2005-04-16 @1123 gateway = ((struct dn_neigh *)neigh)->addr;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1124 if (gateway == 0)
bef55aebd560c5 David S. Miller 2011-03-12 1125 gateway = fld.daddr;
bef55aebd560c5 David S. Miller 2011-03-12 1126 if (fld.saddr == 0) {
bef55aebd560c5 David S. Miller 2011-03-12 1127 fld.saddr = dnet_select_source(dev_out, gateway,
^1da177e4c3f41 Linus Torvalds 2005-04-16 1128 res.type == RTN_LOCAL ?
^1da177e4c3f41 Linus Torvalds 2005-04-16 1129 RT_SCOPE_HOST :
^1da177e4c3f41 Linus Torvalds 2005-04-16 1130 RT_SCOPE_LINK);
bef55aebd560c5 David S. Miller 2011-03-12 1131 if (fld.saddr == 0 && res.type != RTN_LOCAL)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1132 goto e_addr;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1133 }
bef55aebd560c5 David S. Miller 2011-03-12 1134 fld.flowidn_oif = dev_out->ifindex;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1135 goto make_route;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1136 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1137 free_res = 1;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1138
^1da177e4c3f41 Linus Torvalds 2005-04-16 1139 if (res.type == RTN_NAT)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1140 goto e_inval;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1141
^1da177e4c3f41 Linus Torvalds 2005-04-16 1142 if (res.type == RTN_LOCAL) {
bef55aebd560c5 David S. Miller 2011-03-12 1143 if (!fld.saddr)
bef55aebd560c5 David S. Miller 2011-03-12 1144 fld.saddr = fld.daddr;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1145 dev_put(dev_out);
2774c7aba6c97a Eric W. Biederman 2007-09-26 1146 dev_out = init_net.loopback_dev;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1147 dev_hold(dev_out);
a36a0d4008488f David S. Miller 2016-04-10 1148 if (!dev_out->dn_ptr)
a36a0d4008488f David S. Miller 2016-04-10 1149 goto e_inval;
bef55aebd560c5 David S. Miller 2011-03-12 1150 fld.flowidn_oif = dev_out->ifindex;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1151 if (res.fi)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1152 dn_fib_info_put(res.fi);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1153 res.fi = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1154 goto make_route;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1155 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1156
bef55aebd560c5 David S. Miller 2011-03-12 1157 if (res.fi->fib_nhs > 1 && fld.flowidn_oif == 0)
bef55aebd560c5 David S. Miller 2011-03-12 1158 dn_fib_select_multipath(&fld, &res);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1159
^1da177e4c3f41 Linus Torvalds 2005-04-16 1160 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 1161 * We could add some logic to deal with default routes here and
^1da177e4c3f41 Linus Torvalds 2005-04-16 1162 * get rid of some of the special casing above.
^1da177e4c3f41 Linus Torvalds 2005-04-16 1163 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1164
bef55aebd560c5 David S. Miller 2011-03-12 1165 if (!fld.saddr)
bef55aebd560c5 David S. Miller 2011-03-12 1166 fld.saddr = DN_FIB_RES_PREFSRC(res);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1167
^1da177e4c3f41 Linus Torvalds 2005-04-16 1168 dev_put(dev_out);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1169 dev_out = DN_FIB_RES_DEV(res);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1170 dev_hold(dev_out);
bef55aebd560c5 David S. Miller 2011-03-12 1171 fld.flowidn_oif = dev_out->ifindex;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1172 gateway = DN_FIB_RES_GW(res);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1173
^1da177e4c3f41 Linus Torvalds 2005-04-16 1174 make_route:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1175 if (dev_out->flags & IFF_LOOPBACK)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1176 flags |= RTCF_LOCAL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1177
af13b3c338bea6 David Laight 2020-03-23 1178 rt = dst_alloc(&dn_dst_ops, dev_out, 0, DST_OBSOLETE_NONE, 0);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1179 if (rt == NULL)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1180 goto e_nobufs;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1181
fe736e778c604d David Miller 2017-11-28 1182 rt->dn_next = NULL;
cf91166223772e David S. Miller 2011-04-28 1183 memset(&rt->fld, 0, sizeof(rt->fld));
bef55aebd560c5 David S. Miller 2011-03-12 1184 rt->fld.saddr = oldflp->saddr;
bef55aebd560c5 David S. Miller 2011-03-12 1185 rt->fld.daddr = oldflp->daddr;
bef55aebd560c5 David S. Miller 2011-03-12 1186 rt->fld.flowidn_oif = oldflp->flowidn_oif;
bef55aebd560c5 David S. Miller 2011-03-12 1187 rt->fld.flowidn_iif = 0;
bef55aebd560c5 David S. Miller 2011-03-12 1188 rt->fld.flowidn_mark = oldflp->flowidn_mark;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1189
bef55aebd560c5 David S. Miller 2011-03-12 1190 rt->rt_saddr = fld.saddr;
bef55aebd560c5 David S. Miller 2011-03-12 1191 rt->rt_daddr = fld.daddr;
bef55aebd560c5 David S. Miller 2011-03-12 1192 rt->rt_gateway = gateway ? gateway : fld.daddr;
bef55aebd560c5 David S. Miller 2011-03-12 1193 rt->rt_local_src = fld.saddr;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1194
bef55aebd560c5 David S. Miller 2011-03-12 1195 rt->rt_dst_map = fld.daddr;
bef55aebd560c5 David S. Miller 2011-03-12 1196 rt->rt_src_map = fld.saddr;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1197
fccd7d5c77ff61 David S. Miller 2012-07-02 1198 rt->n = neigh;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1199 neigh = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1200
d8d1f30b95a635 Changli Gao 2010-06-10 1201 rt->dst.lastuse = jiffies;
d8d1f30b95a635 Changli Gao 2010-06-10 1202 rt->dst.output = dn_output;
d8d1f30b95a635 Changli Gao 2010-06-10 1203 rt->dst.input = dn_rt_bug;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1204 rt->rt_flags = flags;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1205 if (flags & RTCF_LOCAL)
d8d1f30b95a635 Changli Gao 2010-06-10 1206 rt->dst.input = dn_nsp_rx;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1207
^1da177e4c3f41 Linus Torvalds 2005-04-16 1208 err = dn_rt_set_next_hop(rt, &res);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1209 if (err)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1210 goto e_neighbour;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1211
bef55aebd560c5 David S. Miller 2011-03-12 1212 hash = dn_hash(rt->fld.saddr, rt->fld.daddr);
560fd93bca66c2 Wei Wang 2017-06-17 1213 /* dn_insert_route() increments dst->__refcnt */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1214 dn_insert_route(rt, hash, (struct dn_route **)pprt);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1215
^1da177e4c3f41 Linus Torvalds 2005-04-16 1216 done:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1217 if (neigh)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1218 neigh_release(neigh);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1219 if (free_res)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1220 dn_fib_res_put(&res);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1221 dev_put(dev_out);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1222 out:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1223 return err;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1224
^1da177e4c3f41 Linus Torvalds 2005-04-16 1225 e_addr:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1226 err = -EADDRNOTAVAIL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1227 goto done;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1228 e_inval:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1229 err = -EINVAL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1230 goto done;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1231 e_nobufs:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1232 err = -ENOBUFS;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1233 goto done;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1234 e_neighbour:
560fd93bca66c2 Wei Wang 2017-06-17 1235 dst_release_immediate(&rt->dst);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1236 goto e_nobufs;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1237 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1238
:::::: The code at line 1123 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
--
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