From: Constantine A. Murenin <cnst+dfly@bugmail.mojo.ru>
Date: Mon, 8 Mar 2010 12:34:05 +0000 (-0500)
Subject: wbsio(4): don't reuse a child that has already been attached
X-Git-Tag: v2.7.0~99
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/647ed4b2aaf4466877c74c7666a69fb4c7d8aaa0

wbsio(4): don't reuse a child that has already been attached
---

diff --git a/sys/dev/powermng/wbsio/wbsio.c b/sys/dev/powermng/wbsio/wbsio.c
index 5b051cb15e..98ea7c20d0 100644
--- a/sys/dev/powermng/wbsio/wbsio.c
+++ b/sys/dev/powermng/wbsio/wbsio.c
@@ -246,8 +246,10 @@ wbsio_attach(struct device *dev)
 			}
 			break;
 		}
-		if (device_is_attached(child))
+		if (device_is_attached(child)) {
+			child = NULL;
 			continue;
+		}
 		device_printf(dev,
 		    "found unused %s at 0x%x with state %i, reusing at 0x%x\n",
 		    device_get_nameunit(child), isa_get_port(child),