summaryrefslogtreecommitdiffstats
path: root/net/tipc
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2021-01-14 18:34:50 -0800
committerJakub Kicinski <kuba@kernel.org>2021-01-14 18:34:50 -0800
commit1d9f03c0a15fa01aa14fb295cbc1236403fceb0b (patch)
tree2161a4e17f383a14e1e235e2deed7142733aca9b /net/tipc
parente4abfd88c78105069eef627e04ef9413746bab7b (diff)
parent146620506274bd24d52fb1c589110a30eed8240b (diff)
downloadlinux-1d9f03c0a15fa01aa14fb295cbc1236403fceb0b.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/tipc')
-rw-r--r--net/tipc/link.c11
-rw-r--r--net/tipc/node.c2
2 files changed, 9 insertions, 4 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 6ae2140eb4f7..115109259430 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1030,7 +1030,6 @@ void tipc_link_reset(struct tipc_link *l)
int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
struct sk_buff_head *xmitq)
{
- struct tipc_msg *hdr = buf_msg(skb_peek(list));
struct sk_buff_head *backlogq = &l->backlogq;
struct sk_buff_head *transmq = &l->transmq;
struct sk_buff *skb, *_skb;
@@ -1038,13 +1037,18 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
u16 ack = l->rcv_nxt - 1;
u16 seqno = l->snd_nxt;
int pkt_cnt = skb_queue_len(list);
- int imp = msg_importance(hdr);
unsigned int mss = tipc_link_mss(l);
unsigned int cwin = l->window;
unsigned int mtu = l->mtu;
+ struct tipc_msg *hdr;
bool new_bundle;
int rc = 0;
+ int imp;
+
+ if (pkt_cnt <= 0)
+ return 0;
+ hdr = buf_msg(skb_peek(list));
if (unlikely(msg_size(hdr) > mtu)) {
pr_warn("Too large msg, purging xmit list %d %d %d %d %d!\n",
skb_queue_len(list), msg_user(hdr),
@@ -1053,6 +1057,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
return -EMSGSIZE;
}
+ imp = msg_importance(hdr);
/* Allow oversubscription of one data msg per source at congestion */
if (unlikely(l->backlog[imp].len >= l->backlog[imp].limit)) {
if (imp == TIPC_SYSTEM_IMPORTANCE) {
@@ -2539,7 +2544,7 @@ void tipc_link_set_queue_limits(struct tipc_link *l, u32 min_win, u32 max_win)
}
/**
- * link_reset_stats - reset link statistics
+ * tipc_link_reset_stats - reset link statistics
* @l: pointer to link
*/
void tipc_link_reset_stats(struct tipc_link *l)
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 83d9eb830592..008670d1f43e 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1665,7 +1665,7 @@ static void tipc_lxc_xmit(struct net *peer_net, struct sk_buff_head *list)
}
/**
- * tipc_node_xmit() is the general link level function for message sending
+ * tipc_node_xmit() - general link level function for message sending
* @net: the applicable net namespace
* @list: chain of buffers containing message
* @dnode: address of destination node