From 07f4721f5b6fab27064ae03d519358351dea9929 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Mon, 21 Sep 1992 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1992-09-21

---
 port/devscsi.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/port/devscsi.c b/port/devscsi.c
index e7d6ff748d62c0aa1c1d96630ec1879efea97494..50d6637d7feea2cd4e5f8abfc131759c5a06a1c0 100644
--- a/port/devscsi.c
+++ b/port/devscsi.c
@@ -530,14 +530,14 @@ scsibuf(void)
 
 	for(;;) {
 		lock(&scsibufalloc);
-		if(b = scsibufalloc.free) {
+		b = scsibufalloc.free;
+		if(b != 0) {
 			scsibufalloc.free = b->next;
 			unlock(&scsibufalloc);
 			return b;
 		}
-
 		unlock(&scsibufalloc);
-		resrcwait("no scsi buffers");
+		resrcwait(0);
 	}
 	return 0;		/* not reached */
 }