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-rw-r--r--src/event/quic/ngx_event_quic_ack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/event/quic/ngx_event_quic_ack.c b/src/event/quic/ngx_event_quic_ack.c
index e6210653a..04fc66760 100644
--- a/src/event/quic/ngx_event_quic_ack.c
+++ b/src/event/quic/ngx_event_quic_ack.c
@@ -840,7 +840,7 @@ ngx_quic_pto_handler(ngx_event_t *ev)
continue;
}
- q = ngx_queue_head(&ctx->sent);
+ q = ngx_queue_last(&ctx->sent);
f = ngx_queue_data(q, ngx_quic_frame_t, queue);
if (f->pnum <= ctx->largest_ack