[src/prg-localcount2]: src/sys/arch/mipsco/obio Convert to cdevsw_lookup_acqu...

[pgoyette <pgoyette%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5bfb6577237d
branches:  prg-localcount2
changeset: 823551:5bfb6577237d
user:      pgoyette <pgoyette%NetBSD.org@localhost>
date:      Wed May 17 03:54:20 2017 +0000

description:
Convert to cdevsw_lookup_acquire()

diffstat:

 sys/arch/mipsco/obio/zs_kgdb.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (33 lines):

diff -r 5cb41c9a0cc5 -r 5bfb6577237d sys/arch/mipsco/obio/zs_kgdb.c
--- a/sys/arch/mipsco/obio/zs_kgdb.c    Wed May 17 03:05:44 2017 +0000
+++ b/sys/arch/mipsco/obio/zs_kgdb.c    Wed May 17 03:54:20 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: zs_kgdb.c,v 1.10 2009/03/18 10:22:32 cegger Exp $      */
+/*     $NetBSD: zs_kgdb.c,v 1.10.54.1 2017/05/17 03:54:20 pgoyette Exp $       */
 
 /*-
  * Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -41,7 +41,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: zs_kgdb.c,v 1.10 2009/03/18 10:22:32 cegger Exp $");
+__KERNEL_RCSID(0, "$NetBSD: zs_kgdb.c,v 1.10.54.1 2017/05/17 03:54:20 pgoyette Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -129,10 +129,13 @@
 {
        struct zschan *zc;
        int channel, unit;
+       const struct cdevsw kgbd_cdevsw;
        extern const struct cdevsw zstty_cdevsw;
 
-       if (cdevsw_lookup(kgdb_dev) != &zstty_cdevsw)
+       if ((kgdb_cdevsw = cdevsw_lookup_acquire(kgdb_dev)) != &zstty_cdevsw) {
+               cdevsw_release(kgdb_cdevsw);
                return;
+       }
 
        unit = (kgdb_dev & 2) ? 2 : 0;
        channel = kgdb_dev & 1;