| reassembly.c (4ba24fef3eb3b142197135223b90ced2f319cd53) | reassembly.c (63159f29be1df7f93563a8a0f78c5e65fc844ed6) |
|---|---|
| 1/* 2 * IPv6 fragment reassembly 3 * Linux INET6 implementation 4 * 5 * Authors: 6 * Pedro Roque <roque@di.fc.ul.pt> 7 * 8 * Based on: net/ipv4/ip_fragment.c --- 416 unchanged lines hidden (view full) --- 425 /* If the first fragment is fragmented itself, we split 426 * it to two chunks: the first with data and paged part 427 * and the second, holding only fragments. */ 428 if (skb_has_frag_list(head)) { 429 struct sk_buff *clone; 430 int i, plen = 0; 431 432 clone = alloc_skb(0, GFP_ATOMIC); | 1/* 2 * IPv6 fragment reassembly 3 * Linux INET6 implementation 4 * 5 * Authors: 6 * Pedro Roque <roque@di.fc.ul.pt> 7 * 8 * Based on: net/ipv4/ip_fragment.c --- 416 unchanged lines hidden (view full) --- 425 /* If the first fragment is fragmented itself, we split 426 * it to two chunks: the first with data and paged part 427 * and the second, holding only fragments. */ 428 if (skb_has_frag_list(head)) { 429 struct sk_buff *clone; 430 int i, plen = 0; 431 432 clone = alloc_skb(0, GFP_ATOMIC); |
| 433 if (clone == NULL) | 433 if (!clone) |
| 434 goto out_oom; 435 clone->next = head->next; 436 head->next = clone; 437 skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list; 438 skb_frag_list_init(head); 439 for (i = 0; i < skb_shinfo(head)->nr_frags; i++) 440 plen += skb_frag_size(&skb_shinfo(head)->frags[i]); 441 clone->len = clone->data_len = head->data_len - plen; --- 185 unchanged lines hidden (view full) --- 627static int __net_init ip6_frags_ns_sysctl_register(struct net *net) 628{ 629 struct ctl_table *table; 630 struct ctl_table_header *hdr; 631 632 table = ip6_frags_ns_ctl_table; 633 if (!net_eq(net, &init_net)) { 634 table = kmemdup(table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL); | 434 goto out_oom; 435 clone->next = head->next; 436 head->next = clone; 437 skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list; 438 skb_frag_list_init(head); 439 for (i = 0; i < skb_shinfo(head)->nr_frags; i++) 440 plen += skb_frag_size(&skb_shinfo(head)->frags[i]); 441 clone->len = clone->data_len = head->data_len - plen; --- 185 unchanged lines hidden (view full) --- 627static int __net_init ip6_frags_ns_sysctl_register(struct net *net) 628{ 629 struct ctl_table *table; 630 struct ctl_table_header *hdr; 631 632 table = ip6_frags_ns_ctl_table; 633 if (!net_eq(net, &init_net)) { 634 table = kmemdup(table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL); |
| 635 if (table == NULL) | 635 if (!table) |
| 636 goto err_alloc; 637 638 table[0].data = &net->ipv6.frags.high_thresh; 639 table[0].extra1 = &net->ipv6.frags.low_thresh; 640 table[0].extra2 = &init_net.ipv6.frags.high_thresh; 641 table[1].data = &net->ipv6.frags.low_thresh; 642 table[1].extra2 = &net->ipv6.frags.high_thresh; 643 table[2].data = &net->ipv6.frags.timeout; 644 645 /* Don't export sysctls to unprivileged users */ 646 if (net->user_ns != &init_user_ns) 647 table[0].procname = NULL; 648 } 649 650 hdr = register_net_sysctl(net, "net/ipv6", table); | 636 goto err_alloc; 637 638 table[0].data = &net->ipv6.frags.high_thresh; 639 table[0].extra1 = &net->ipv6.frags.low_thresh; 640 table[0].extra2 = &init_net.ipv6.frags.high_thresh; 641 table[1].data = &net->ipv6.frags.low_thresh; 642 table[1].extra2 = &net->ipv6.frags.high_thresh; 643 table[2].data = &net->ipv6.frags.timeout; 644 645 /* Don't export sysctls to unprivileged users */ 646 if (net->user_ns != &init_user_ns) 647 table[0].procname = NULL; 648 } 649 650 hdr = register_net_sysctl(net, "net/ipv6", table); |
| 651 if (hdr == NULL) | 651 if (!hdr) |
| 652 goto err_reg; 653 654 net->ipv6.sysctl.frags_hdr = hdr; 655 return 0; 656 657err_reg: 658 if (!net_eq(net, &init_net)) 659 kfree(table); --- 113 unchanged lines hidden --- | 652 goto err_reg; 653 654 net->ipv6.sysctl.frags_hdr = hdr; 655 return 0; 656 657err_reg: 658 if (!net_eq(net, &init_net)) 659 kfree(table); --- 113 unchanged lines hidden --- |