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Index: kernel/net/ipv4/fib_frontend.c
===================================================================
--- kernel.orig/net/ipv4/fib_frontend.c
+++ kernel/net/ipv4/fib_frontend.c
@@ -686,6 +686,7 @@ errout:
return err;
}
+#include "kpatch-macros.h"
static int inet_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh)
{
struct net *net = sock_net(skb->sk);
@@ -704,6 +705,7 @@ static int inet_rtm_newroute(struct sk_b
}
err = fib_table_insert(net, tb, &cfg);
+ KPATCH_PRINTK("[inet_rtm_newroute]: err is %d\n", err);
errout:
return err;
}
Index: kernel/net/ipv4/fib_semantics.c
===================================================================
--- kernel.orig/net/ipv4/fib_semantics.c
+++ kernel/net/ipv4/fib_semantics.c
@@ -985,6 +985,7 @@ fib_convert_metrics(struct fib_info *fi,
return 0;
}
+#include "kpatch-macros.h"
struct fib_info *fib_create_info(struct fib_config *cfg)
{
int err;
@@ -1009,6 +1010,7 @@ struct fib_info *fib_create_info(struct
#endif
err = -ENOBUFS;
+ KPATCH_PRINTK("[fib_create_info]: create error err is %d\n",err);
if (fib_info_cnt >= fib_info_hash_size) {
unsigned int new_size = fib_info_hash_size << 1;
struct hlist_head *new_info_hash;
@@ -1029,6 +1031,7 @@ struct fib_info *fib_create_info(struct
if (!fib_info_hash_size)
goto failure;
}
+ KPATCH_PRINTK("[fib_create_info]: 2 create error err is %d\n",err);
fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
if (fi == NULL)
@@ -1044,6 +1047,8 @@ struct fib_info *fib_create_info(struct
fi->fib_metrics = (struct dst_metrics *)&dst_default_metrics;
}
fib_info_cnt++;
+ KPATCH_PRINTK("[fib_create_info]: 3 create error err is %d\n",err);
+
fi->fib_net = net;
fi->fib_protocol = cfg->fc_protocol;
fi->fib_scope = cfg->fc_scope;
@@ -1059,8 +1064,10 @@ struct fib_info *fib_create_info(struct
if (!nexthop_nh->nh_pcpu_rth_output)
goto failure;
} endfor_nexthops(fi)
+ KPATCH_PRINTK("[fib_create_info]: 4 create error err is %d\n",err);
err = fib_convert_metrics(fi, cfg);
+ KPATCH_PRINTK("[fib_create_info]: 5 create error err is %d\n",err);
if (err)
goto failure;
@@ -1111,6 +1118,7 @@ struct fib_info *fib_create_info(struct
nh->nh_weight = 1;
#endif
}
+ KPATCH_PRINTK("[fib_create_info]: 6 create error err is %d\n",err);
if (fib_props[cfg->fc_type].error) {
if (cfg->fc_gw || cfg->fc_oif || cfg->fc_mp)
@@ -1128,6 +1136,7 @@ struct fib_info *fib_create_info(struct
goto err_inval;
}
}
+ KPATCH_PRINTK("[fib_create_info]: 7 create error err is %d\n",err);
if (cfg->fc_scope > RT_SCOPE_HOST)
goto err_inval;
@@ -1150,6 +1159,7 @@ struct fib_info *fib_create_info(struct
goto failure;
} endfor_nexthops(fi)
}
+ KPATCH_PRINTK("[fib_create_info]: 8 create error err is %d\n",err);
if (fi->fib_prefsrc) {
if (cfg->fc_type != RTN_LOCAL || !cfg->fc_dst ||
@@ -1162,6 +1172,7 @@ struct fib_info *fib_create_info(struct
fib_info_update_nh_saddr(net, nexthop_nh);
fib_add_weight(fi, nexthop_nh);
} endfor_nexthops(fi)
+ KPATCH_PRINTK("[fib_create_info]: 9 create error err is %d\n",err);
fib_rebalance(fi);
@@ -1173,6 +1184,7 @@ link_it:
ofi->fib_treeref++;
return ofi;
}
+ KPATCH_PRINTK("[fib_create_info]: 10 create error err is %d\n",err);
fi->fib_treeref++;
atomic_inc(&fi->fib_clntref);
@@ -1196,6 +1208,7 @@ link_it:
hlist_add_head(&nexthop_nh->nh_hash, head);
} endfor_nexthops(fi)
spin_unlock_bh(&fib_info_lock);
+ KPATCH_PRINTK("[fib_create_info]: 11 create error err is %d\n",err);
return fi;
err_inval:
@@ -1206,6 +1219,7 @@ failure:
fi->fib_dead = 1;
free_fib_info(fi);
}
+ KPATCH_PRINTK("[fib_create_info]: 12 create error err is %d\n",err);
return ERR_PTR(err);
}
Index: kernel/net/ipv4/fib_trie.c
===================================================================
--- kernel.orig/net/ipv4/fib_trie.c
+++ kernel/net/ipv4/fib_trie.c
@@ -1105,6 +1105,7 @@ static int fib_insert_alias(struct trie
}
/* Caller must hold RTNL. */
+#include "kpatch-macros.h"
int fib_table_insert(struct net *net, struct fib_table *tb,
struct fib_config *cfg)
{
@@ -1130,11 +1131,14 @@ int fib_table_insert(struct net *net, st
if ((plen < KEYLENGTH) && (key << plen))
return -EINVAL;
+ KPATCH_PRINTK("[fib_table_insert]: start\n");
fi = fib_create_info(cfg);
if (IS_ERR(fi)) {
err = PTR_ERR(fi);
+ KPATCH_PRINTK("[fib_table_insert]: create error err is %d\n",err);
goto err;
}
+ KPATCH_PRINTK("[fib_table_insert]: cross\n");
l = fib_find_node(t, &tp, key);
fa = l ? fib_find_alias(&l->leaf, slen, tos, fi->fib_priority,
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