io_uring/timeout: use 'ctx' consistently

There's already a local ctx variable, yet cq_timeouts accounting uses
req->ctx. Use ctx consistently.

Signed-off-by: Yang Xiuwei <yangxiuwei@kylinos.cn>
Link: https://patch.msgid.link/20260402014952.260414-1-yangxiuwei@kylinos.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: Yang Xiuwei

io_uring/timeout.c

@@ -284,8 +284,8 @@ static enum hrtimer_restart io_timeout_fn(struct hrtimer *timer)
 
 	raw_spin_lock_irqsave(&ctx->timeout_lock, flags);
 	list_del_init(&timeout->list);
-	atomic_set(&req->ctx->cq_timeouts,
-		atomic_read(&req->ctx->cq_timeouts) + 1);
+	atomic_set(&ctx->cq_timeouts,
+		atomic_read(&ctx->cq_timeouts) + 1);
 	raw_spin_unlock_irqrestore(&ctx->timeout_lock, flags);
 
 	if (!(data->flags & IORING_TIMEOUT_ETIME_SUCCESS))