diff options
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/datagram.c | 81 | ||||
-rw-r--r-- | net/core/dev.c | 7 | ||||
-rw-r--r-- | net/core/filter.c | 6 | ||||
-rw-r--r-- | net/core/request_sock.c | 1 | ||||
-rw-r--r-- | net/core/rtnetlink.c | 2 | ||||
-rw-r--r-- | net/core/skbuff.c | 18 | ||||
-rw-r--r-- | net/core/utils.c | 4 |
7 files changed, 71 insertions, 48 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index f8d322e1ea9..b8ce6bf8118 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -247,49 +247,74 @@ EXPORT_SYMBOL(skb_kill_datagram); int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset, struct iovec *to, int len) { - int i, err, fraglen, end = 0; - struct sk_buff *next = skb_shinfo(skb)->frag_list; + int start = skb_headlen(skb); + int i, copy = start - offset; - if (!len) - return 0; + /* Copy header. */ + if (copy > 0) { + if (copy > len) + copy = len; + if (memcpy_toiovec(to, skb->data + offset, copy)) + goto fault; + if ((len -= copy) == 0) + return 0; + offset += copy; + } -next_skb: - fraglen = skb_headlen(skb); - i = -1; + /* Copy paged appendix. Hmm... why does this look so complicated? */ + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + int end; - while (1) { - int start = end; + BUG_TRAP(start <= offset + len); - if ((end += fraglen) > offset) { - int copy = end - offset, o = offset - start; + end = start + skb_shinfo(skb)->frags[i].size; + if ((copy = end - offset) > 0) { + int err; + u8 *vaddr; + skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + struct page *page = frag->page; if (copy > len) copy = len; - if (i == -1) - err = memcpy_toiovec(to, skb->data + o, copy); - else { - skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - struct page *page = frag->page; - void *p = kmap(page) + frag->page_offset + o; - err = memcpy_toiovec(to, p, copy); - kunmap(page); - } + vaddr = kmap(page); + err = memcpy_toiovec(to, vaddr + frag->page_offset + + offset - start, copy); + kunmap(page); if (err) goto fault; if (!(len -= copy)) return 0; offset += copy; } - if (++i >= skb_shinfo(skb)->nr_frags) - break; - fraglen = skb_shinfo(skb)->frags[i].size; + start = end; } - if (next) { - skb = next; - BUG_ON(skb_shinfo(skb)->frag_list); - next = skb->next; - goto next_skb; + + if (skb_shinfo(skb)->frag_list) { + struct sk_buff *list = skb_shinfo(skb)->frag_list; + + for (; list; list = list->next) { + int end; + + BUG_TRAP(start <= offset + len); + + end = start + list->len; + if ((copy = end - offset) > 0) { + if (copy > len) + copy = len; + if (skb_copy_datagram_iovec(list, + offset - start, + to, copy)) + goto fault; + if ((len -= copy) == 0) + return 0; + offset += copy; + } + start = end; + } } + if (!len) + return 0; + fault: return -EFAULT; } diff --git a/net/core/dev.c b/net/core/dev.c index fd070a098f2..2afb0de9532 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2543,13 +2543,14 @@ int dev_ioctl(unsigned int cmd, void __user *arg) case SIOCBONDENSLAVE: case SIOCBONDRELEASE: case SIOCBONDSETHWADDR: - case SIOCBONDSLAVEINFOQUERY: - case SIOCBONDINFOQUERY: case SIOCBONDCHANGEACTIVE: case SIOCBRADDIF: case SIOCBRDELIF: if (!capable(CAP_NET_ADMIN)) return -EPERM; + /* fall through */ + case SIOCBONDSLAVEINFOQUERY: + case SIOCBONDINFOQUERY: dev_load(ifr.ifr_name); rtnl_lock(); ret = dev_ifsioc(&ifr, cmd); @@ -3236,7 +3237,7 @@ static int __init net_dev_init(void) * Initialise the packet receive queues. */ - for (i = 0; i < NR_CPUS; i++) { + for_each_cpu(i) { struct softnet_data *queue; queue = &per_cpu(softnet_data, i); diff --git a/net/core/filter.c b/net/core/filter.c index 9540946a48f..93fbd01d225 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -64,7 +64,7 @@ static inline void *load_pointer(struct sk_buff *skb, int k, } /** - * sk_run_filter - run a filter on a socket + * sk_run_filter - run a filter on a socket * @skb: buffer to run the filter on * @filter: filter to apply * @flen: length of filter @@ -78,8 +78,8 @@ unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int { struct sock_filter *fentry; /* We walk down these */ void *ptr; - u32 A = 0; /* Accumulator */ - u32 X = 0; /* Index Register */ + u32 A = 0; /* Accumulator */ + u32 X = 0; /* Index Register */ u32 mem[BPF_MEMWORDS]; /* Scratch Memory Store */ u32 tmp; int k; diff --git a/net/core/request_sock.c b/net/core/request_sock.c index b8203de5ff0..98f0fc923f9 100644 --- a/net/core/request_sock.c +++ b/net/core/request_sock.c @@ -52,7 +52,6 @@ int reqsk_queue_alloc(struct request_sock_queue *queue, get_random_bytes(&lopt->hash_rnd, sizeof(lopt->hash_rnd)); rwlock_init(&queue->syn_wait_lock); queue->rskq_accept_head = queue->rskq_accept_head = NULL; - queue->rskq_defer_accept = 0; lopt->nr_table_entries = nr_table_entries; write_lock_bh(&queue->syn_wait_lock); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 8700379685e..eca2976abb2 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -455,7 +455,7 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change) if (!skb) return; - if (rtnetlink_fill_ifinfo(skb, dev, type, current->pid, 0, change, 0) < 0) { + if (rtnetlink_fill_ifinfo(skb, dev, type, 0, 0, change, 0) < 0) { kfree_skb(skb); return; } diff --git a/net/core/skbuff.c b/net/core/skbuff.c index d0732e9c856..2144952d1c6 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -135,13 +135,15 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here) struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, int fclone) { + kmem_cache_t *cache; struct skb_shared_info *shinfo; struct sk_buff *skb; u8 *data; + cache = fclone ? skbuff_fclone_cache : skbuff_head_cache; + /* Get the HEAD */ - skb = kmem_cache_alloc(fclone ? skbuff_fclone_cache : skbuff_head_cache, - gfp_mask & ~__GFP_DMA); + skb = kmem_cache_alloc(cache, gfp_mask & ~__GFP_DMA); if (!skb) goto out; @@ -180,7 +182,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, out: return skb; nodata: - kmem_cache_free(skbuff_head_cache, skb); + kmem_cache_free(cache, skb); skb = NULL; goto out; } @@ -409,6 +411,9 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) C(pkt_type); C(ip_summed); C(priority); +#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE) + C(ipvs_property); +#endif C(protocol); n->destructor = NULL; #ifdef CONFIG_NETFILTER @@ -420,13 +425,6 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) C(nfct_reasm); nf_conntrack_get_reasm(skb->nfct_reasm); #endif -#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE) - C(ipvs_property); -#endif -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) - C(nfct_reasm); - nf_conntrack_get_reasm(skb->nfct_reasm); -#endif #ifdef CONFIG_BRIDGE_NETFILTER C(nf_bridge); nf_bridge_get(skb->nf_bridge); diff --git a/net/core/utils.c b/net/core/utils.c index ac1d1fcf867..fdc4f38bc46 100644 --- a/net/core/utils.c +++ b/net/core/utils.c @@ -121,7 +121,7 @@ void __init net_random_init(void) { int i; - for (i = 0; i < NR_CPUS; i++) { + for_each_cpu(i) { struct nrnd_state *state = &per_cpu(net_rand_state,i); __net_srandom(state, i+jiffies); } @@ -133,7 +133,7 @@ static int net_random_reseed(void) unsigned long seed[NR_CPUS]; get_random_bytes(seed, sizeof(seed)); - for (i = 0; i < NR_CPUS; i++) { + for_each_cpu(i) { struct nrnd_state *state = &per_cpu(net_rand_state,i); __net_srandom(state, seed[i]); } |