From 9339e7c0bd565506092bb0a2618ff32fb04bb2c4 Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Tue, 10 Aug 2021 17:07:50 -0600
Subject: [PATCH] rtsx: Fix wakeup race similar to sdhci one fixed in
 35547df5c786

rtsx copied code from sdhci, and has the same wakeup race bug that was
fixed in 35547df5c786, so apply a similar fix here.

Sponsored by:		Netflix
---
 sys/dev/rtsx/rtsx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/rtsx/rtsx.c b/sys/dev/rtsx/rtsx.c
index 4400fbef541..cb85685c875 100644
--- a/sys/dev/rtsx/rtsx.c
+++ b/sys/dev/rtsx/rtsx.c
@@ -3532,8 +3532,8 @@ rtsx_mmcbr_release_host(device_t bus, device_t child __unused)
 	sc = device_get_softc(bus);
 	RTSX_LOCK(sc);
 	sc->rtsx_bus_busy--;
-	RTSX_UNLOCK(sc);
 	wakeup(&sc->rtsx_bus_busy);
+	RTSX_UNLOCK(sc);
 
 	return (0);
 }