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