diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 1d38e279e2ef..e13043d357d5 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -53,8 +53,10 @@ static int rxrpc_wait_for_tx_window_intr(struct rxrpc_sock *rx,
 		trace_rxrpc_transmit(call, rxrpc_transmit_wait);
 		mutex_unlock(&call->user_mutex);
 		*timeo = schedule_timeout(*timeo);
-		if (mutex_lock_interruptible(&call->user_mutex) < 0)
+		if (mutex_lock_interruptible(&call->user_mutex) < 0) {
+			mutex_lock(&call->user_mutex);
 			return sock_intr_errno(*timeo);
+		}
 	}
 }