diff options
| -rw-r--r-- | net/mptcp/protocol.h | 1 | ||||
| -rw-r--r-- | net/mptcp/sched.c | 17 |
2 files changed, 16 insertions, 2 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index d409586b5977..7aa38d74fef6 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -744,6 +744,7 @@ void mptcp_info2sockaddr(const struct mptcp_addr_info *info, struct sockaddr_storage *addr, unsigned short family); struct mptcp_sched_ops *mptcp_sched_find(const char *name); +int mptcp_validate_scheduler(struct mptcp_sched_ops *sched); int mptcp_register_scheduler(struct mptcp_sched_ops *sched); void mptcp_unregister_scheduler(struct mptcp_sched_ops *sched); void mptcp_sched_init(void); diff --git a/net/mptcp/sched.c b/net/mptcp/sched.c index f09f7eb1d63f..1e59072d478c 100644 --- a/net/mptcp/sched.c +++ b/net/mptcp/sched.c @@ -82,10 +82,23 @@ void mptcp_get_available_schedulers(char *buf, size_t maxlen) rcu_read_unlock(); } -int mptcp_register_scheduler(struct mptcp_sched_ops *sched) +int mptcp_validate_scheduler(struct mptcp_sched_ops *sched) { - if (!sched->get_send) + if (!sched->get_send) { + pr_err("%s does not implement required ops\n", sched->name); return -EINVAL; + } + + return 0; +} + +int mptcp_register_scheduler(struct mptcp_sched_ops *sched) +{ + int ret; + + ret = mptcp_validate_scheduler(sched); + if (ret) + return ret; spin_lock(&mptcp_sched_list_lock); if (mptcp_sched_find(sched->name)) { |