diff options
Diffstat (limited to 'net/tipc/msg.c')
| -rw-r--r-- | net/tipc/msg.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 4d0e0bdd997b..01b64869a173 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -212,7 +212,7 @@ err: int tipc_msg_append(struct tipc_msg *_hdr, struct msghdr *m, int dlen, int mss, struct sk_buff_head *txq) { - struct sk_buff *skb, *prev; + struct sk_buff *skb; int accounted, total, curr; int mlen, cpy, rem = dlen; struct tipc_msg *hdr; @@ -221,9 +221,8 @@ int tipc_msg_append(struct tipc_msg *_hdr, struct msghdr *m, int dlen, accounted = skb ? msg_blocks(buf_msg(skb)) : 0; total = accounted; - while (rem) { + do { if (!skb || skb->len >= mss) { - prev = skb; skb = tipc_buf_acquire(mss, GFP_KERNEL); if (unlikely(!skb)) return -ENOMEM; @@ -235,21 +234,18 @@ int tipc_msg_append(struct tipc_msg *_hdr, struct msghdr *m, int dlen, msg_set_size(hdr, MIN_H_SIZE); __skb_queue_tail(txq, skb); total += 1; - if (prev) - msg_set_ack_required(buf_msg(prev), 0); - msg_set_ack_required(hdr, 1); } hdr = buf_msg(skb); curr = msg_blocks(hdr); mlen = msg_size(hdr); - cpy = min_t(int, rem, mss - mlen); + cpy = min_t(size_t, rem, mss - mlen); if (cpy != copy_from_iter(skb->data + mlen, cpy, &m->msg_iter)) return -EFAULT; msg_set_size(hdr, mlen + cpy); skb_put(skb, cpy); rem -= cpy; total += msg_blocks(hdr) - curr; - } + } while (rem > 0); return total - accounted; } @@ -825,19 +821,19 @@ bool tipc_msg_pskb_copy(u32 dst, struct sk_buff_head *msg, * @seqno: sequence number of buffer to add * @skb: buffer to add */ -void __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno, +bool __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno, struct sk_buff *skb) { struct sk_buff *_skb, *tmp; if (skb_queue_empty(list) || less(seqno, buf_seqno(skb_peek(list)))) { __skb_queue_head(list, skb); - return; + return true; } if (more(seqno, buf_seqno(skb_peek_tail(list)))) { __skb_queue_tail(list, skb); - return; + return true; } skb_queue_walk_safe(list, _skb, tmp) { @@ -846,9 +842,10 @@ void __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno, if (seqno == buf_seqno(_skb)) break; __skb_queue_before(list, _skb, skb); - return; + return true; } kfree_skb(skb); + return false; } void tipc_skb_reject(struct net *net, int err, struct sk_buff *skb, |