PERFORCE change 111091 for review

[Sam Leffler]

http://perforce.freebsd.org/chv.cgi?CH=111091

Change 111091 by sam at sam_ebb on 2006/12/05 00:55:52

	check if cryptosoft device exists before adding it; this
	works around the device not being detached on module unload

Affected files ...

.. //depot/projects/crypto/sys/opencrypto/cryptosoft.c#3 edit

Differences ...

==== //depot/projects/crypto/sys/opencrypto/cryptosoft.c#3 (text+ko) ====

@@ -975,7 +975,8 @@
 swcr_identify(device_t *dev, device_t parent)
 {
 	/* NB: order 10 is so we get attached after h/w devices */
-	if (BUS_ADD_CHILD(parent, 10, "cryptosoft", -1) == 0)
+	if (device_find_child(parent, "cryptosoft", -1) == NULL &&
+	    BUS_ADD_CHILD(parent, 10, "cryptosoft", -1) == 0)
 		panic("cryptosoft: could not attach");
 }