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authorMark Brown <broonie@kernel.org>2024-11-14 15:36:46 +0000
committerMark Brown <broonie@kernel.org>2024-11-14 15:36:46 +0000
commit9a5a75bf1f485e2d109303a996d147b94c5e79c9 (patch)
treef931f0d17bef0b6ad980aaf3d2d8b874ef2b749c /net/rxrpc/io_thread.c
parentf3f9f0de30a5106078cd610f80eaa6f9386b2186 (diff)
parent3b7e11a0116c30848d44429650ad80f9cc3bd963 (diff)
ASoc: simple-mux: Allow to specify an idle-state
Merge series from "Hendrik v. Raven" <h.v.raven@merzmedtech.de>: This series adds support for the idle-state property from the mux framework to the simple-mux audio variant. It allows to specify the state of the mux when it is not in use.
Diffstat (limited to 'net/rxrpc/io_thread.c')
-rw-r--r--net/rxrpc/io_thread.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/rxrpc/io_thread.c b/net/rxrpc/io_thread.c
index 0300baa9afcd..07c74c77d802 100644
--- a/net/rxrpc/io_thread.c
+++ b/net/rxrpc/io_thread.c
@@ -27,11 +27,17 @@ int rxrpc_encap_rcv(struct sock *udp_sk, struct sk_buff *skb)
{
struct sk_buff_head *rx_queue;
struct rxrpc_local *local = rcu_dereference_sk_user_data(udp_sk);
+ struct task_struct *io_thread;
if (unlikely(!local)) {
kfree_skb(skb);
return 0;
}
+ io_thread = READ_ONCE(local->io_thread);
+ if (!io_thread) {
+ kfree_skb(skb);
+ return 0;
+ }
if (skb->tstamp == 0)
skb->tstamp = ktime_get_real();
@@ -47,7 +53,7 @@ int rxrpc_encap_rcv(struct sock *udp_sk, struct sk_buff *skb)
#endif
skb_queue_tail(rx_queue, skb);
- rxrpc_wake_up_io_thread(local);
+ wake_up_process(io_thread);
return 0;
}
@@ -565,7 +571,7 @@ int rxrpc_io_thread(void *data)
__set_current_state(TASK_RUNNING);
rxrpc_see_local(local, rxrpc_local_stop);
rxrpc_destroy_local(local);
- local->io_thread = NULL;
+ WRITE_ONCE(local->io_thread, NULL);
rxrpc_see_local(local, rxrpc_local_stopped);
return 0;
}