Module Name:    src
Committed By:   dyoung
Date:           Fri May 29 23:27:08 UTC 2009

Modified Files:
        src/sys/kern: subr_autoconf.c

Log Message:
In config_detach(9), if device deactivation fails with EOPNOTSUPP,
don't treat it as an error.  This should stop the kernel from
panicking in config_detach(9) when sd(4)/wd(4) detach.


To generate a diff of this commit:
cvs rdiff -u -r1.176 -r1.177 src/sys/kern/subr_autoconf.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/kern/subr_autoconf.c
diff -u src/sys/kern/subr_autoconf.c:1.176 src/sys/kern/subr_autoconf.c:1.177
--- src/sys/kern/subr_autoconf.c:1.176	Sun May 24 12:27:50 2009
+++ src/sys/kern/subr_autoconf.c	Fri May 29 23:27:08 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: subr_autoconf.c,v 1.176 2009/05/24 12:27:50 ad Exp $ */
+/* $NetBSD: subr_autoconf.c,v 1.177 2009/05/29 23:27:08 dyoung Exp $ */
 
 /*
  * Copyright (c) 1996, 2000 Christopher G. Demetriou
@@ -77,7 +77,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.176 2009/05/24 12:27:50 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.177 2009/05/29 23:27:08 dyoung Exp $");
 
 #include "opt_ddb.h"
 #include "drvctl.h"
@@ -1511,8 +1511,8 @@
 	    (flags & (DETACH_SHUTDOWN|DETACH_FORCE)) == DETACH_SHUTDOWN &&
 	    (dev->dv_flags & DVF_DETACH_SHUTDOWN) == 0) {
 		rv = EBUSY;	/* XXX EOPNOTSUPP? */
-	} else if (ca->ca_activate != NULL)
-		rv = config_deactivate(dev);
+	} else if ((rv = config_deactivate(dev)) == EOPNOTSUPP)
+		rv = 0;	/* Do not treat EOPNOTSUPP as an error */
 
 	/*
 	 * Try to detach the device.  If that's not possible, then

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