| Message ID | 158461883093.3094720.4502121814429124960.stgit@warthog.procyon.org.uk |
|---|---|
| State | New |
| Headers | show |
| Series | [net,1/6] rxrpc: Abstract out the calculation of whether there's Tx space | expand |
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 1eccfb92c9e1..0fcf157aa09f 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -71,8 +71,8 @@ static int rxrpc_wait_for_tx_window_waitall(struct rxrpc_sock *rx, rtt = READ_ONCE(call->peer->rtt); rtt2 = nsecs_to_jiffies64(rtt) * 2; - if (rtt2 < 1) - rtt2 = 1; + if (rtt2 < 2) + rtt2 = 2; timeout = rtt2; tx_start = READ_ONCE(call->tx_hard_ack);
Fix the handling of sendmsg() with MSG_WAITALL for userspace to round the timeout for when a signal occurs up to at least two jiffies as a 1 jiffy timeout may end up being effectively 0 if jiffies wraps at the wrong time. Fixes: bc5e3a546d55 ("rxrpc: Use MSG_WAITALL to tell sendmsg() to temporarily ignore signals") Signed-off-by: David Howells <dhowells@redhat.com> --- net/rxrpc/sendmsg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)