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[src/pgoyette-localcount]: src/sys/dev When detaching, call device_release() ...
details: https://anonhg.NetBSD.org/src/rev/764749ae912c
branches: pgoyette-localcount
changeset: 852874:764749ae912c
user: pgoyette <pgoyette%NetBSD.org@localhost>
date: Wed Jul 27 11:51:57 2016 +0000
description:
When detaching, call device_release() to allow the detach to complete.
diffstat:
sys/dev/vnd.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diffs (37 lines):
diff -r cab4ab0c4b5d -r 764749ae912c sys/dev/vnd.c
--- a/sys/dev/vnd.c Wed Jul 27 11:23:32 2016 +0000
+++ b/sys/dev/vnd.c Wed Jul 27 11:51:57 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vnd.c,v 1.256.2.8 2016/07/27 11:23:32 pgoyette Exp $ */
+/* $NetBSD: vnd.c,v 1.256.2.9 2016/07/27 11:51:57 pgoyette Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 2008 The NetBSD Foundation, Inc.
@@ -91,7 +91,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vnd.c,v 1.256.2.8 2016/07/27 11:23:32 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vnd.c,v 1.256.2.9 2016/07/27 11:51:57 pgoyette Exp $");
#if defined(_KERNEL_OPT)
#include "opt_vnd.h"
@@ -275,6 +275,10 @@
aprint_error_dev(self, "couldn't establish power handler\n");
}
+/*
+ * The caller must hold a reference to the device's localcount. the
+ * reference is released if the device is available for detach.
+ */
static int
vnd_detach(device_t self, int flags)
{
@@ -291,6 +295,7 @@
bufq_free(sc->sc_tab);
disk_destroy(&sc->sc_dkdev);
+ device_release(self);
return 0;
}
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