From 173bafd8007ed844eb59ae5882427b0a5a5b98a9 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Fri, 20 Feb 2015 18:42:24 +0100
Subject: devusb: fix debug ctl nil crash

---
 sys/src/9/port/devusb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'sys/src')

diff --git a/sys/src/9/port/devusb.c b/sys/src/9/port/devusb.c
index 1e0ab183e..73928a04d 100644
--- a/sys/src/9/port/devusb.c
+++ b/sys/src/9/port/devusb.c
@@ -1347,7 +1347,8 @@ usbctl(void *a, long n)
 		print("usb: debug %d\n", debug);
 		for(i = 0; i < epmax; i++)
 			if((ep = getep(i)) != nil){
-				ep->hp->debug(ep->hp, debug);
+				if(ep->hp->debug != nil)
+					ep->hp->debug(ep->hp, debug);
 				putep(ep);
 			}
 		break;
-- 
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