diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/addrconf.c | 3 | ||||
| -rw-r--r-- | net/ipv6/ah6.c | 3 | ||||
| -rw-r--r-- | net/ipv6/ip6_output.c | 3 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 9 |
4 files changed, 6 insertions, 12 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index b41c5d8b2789..a5e8d207a51b 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3969,10 +3969,9 @@ static void addrconf_sysctl_register(struct inet6_dev *idev, struct ipv6_devconf struct addrconf_sysctl_table *t; char *dev_name = NULL; - t = kmalloc(sizeof(*t), GFP_KERNEL); + t = kmemdup(&addrconf_sysctl, sizeof(*t), GFP_KERNEL); if (t == NULL) return; - memcpy(t, &addrconf_sysctl, sizeof(*t)); for (i=0; t->addrconf_vars[i].data; i++) { t->addrconf_vars[i].data += (char*)p - (char*)&ipv6_devconf; t->addrconf_vars[i].de = NULL; diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 2d9e495cf691..12c5a4dec09e 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -354,10 +354,9 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) if (!pskb_may_pull(skb, ah_hlen)) goto out; - tmp_hdr = kmalloc(hdr_len, GFP_ATOMIC); + tmp_hdr = kmemdup(skb->nh.raw, hdr_len, GFP_ATOMIC); if (!tmp_hdr) goto out; - memcpy(tmp_hdr, skb->nh.raw, hdr_len); if (ipv6_clear_mutable_options(skb->nh.ipv6h, hdr_len, XFRM_POLICY_IN)) goto free_out; skb->nh.ipv6h->priority = 0; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 85f889270492..e05ecbb1412d 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -624,14 +624,13 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) skb_shinfo(skb)->frag_list = NULL; /* BUILD HEADER */ - tmp_hdr = kmalloc(hlen, GFP_ATOMIC); + tmp_hdr = kmemdup(skb->nh.raw, hlen, GFP_ATOMIC); if (!tmp_hdr) { IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS); return -ENOMEM; } *prevhdr = NEXTHDR_FRAGMENT; - memcpy(tmp_hdr, skb->nh.raw, hlen); __skb_pull(skb, hlen); fh = (struct frag_hdr*)__skb_push(skb, sizeof(struct frag_hdr)); skb->nh.raw = __skb_push(skb, hlen); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 147ce499f509..d2170da77e5b 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -720,10 +720,9 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval, tp->md5sig_info = p; } - newkey = kmalloc(cmd.tcpm_keylen, GFP_KERNEL); + newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL); if (!newkey) return -ENOMEM; - memcpy(newkey, cmd.tcpm_key, cmd.tcpm_keylen); if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_MAPPED) { return tcp_v4_md5_do_add(sk, sin6->sin6_addr.s6_addr32[3], newkey, cmd.tcpm_keylen); @@ -1503,12 +1502,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, * memory, then we end up not copying the key * across. Shucks. */ - char *newkey = kmalloc(key->keylen, GFP_ATOMIC); - if (newkey) { - memcpy(newkey, key->key, key->keylen); + char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC); + if (newkey != NULL) tcp_v6_md5_do_add(newsk, &inet6_sk(sk)->daddr, newkey, key->keylen); - } } #endif |