From 88180e2f8008bc1af73e2dcdb8d18e8cbfc6e935 Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Fri, 22 Feb 2019 17:14:23 -0500
Subject: [PATCH] XHCI: Allow commands to time out after 1s instead of stalling
 forever.

This seems to occur when trying to stop endpoints in certain scenarios,
at least.
---
 src/add-ons/kernel/busses/usb/xhci.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/add-ons/kernel/busses/usb/xhci.cpp b/src/add-ons/kernel/busses/usb/xhci.cpp
index fb8a9173be..fec831b6d9 100644
--- a/src/add-ons/kernel/busses/usb/xhci.cpp
+++ b/src/add-ons/kernel/busses/usb/xhci.cpp
@@ -2147,10 +2147,10 @@ XHCI::DoCommand(xhci_trb* trb)
 	QueueCommand(trb);
 	Ring(0, 0);
 
-	if (acquire_sem(fCmdCompSem) < B_OK) {
-		TRACE("Unable to obtain fCmdCompSem semaphore!\n");
+	if (acquire_sem_etc(fCmdCompSem, 1, B_RELATIVE_TIMEOUT, 1 * 1000 * 1000) < B_OK) {
+		TRACE("Unable to obtain fCmdCompSem!\n");
 		Unlock();
-		return B_ERROR;
+		return B_TIMED_OUT;
 	}
 	// eat up sems that have been released by multiple interrupts
 	int32 semCount = 0;