Module Name:    src
Committed By:   pgoyette
Date:           Wed May 17 03:54:20 UTC 2017

Modified Files:
        src/sys/arch/mipsco/obio [prg-localcount2]: zs_kgdb.c

Log Message:
Convert to cdevsw_lookup_acquire()


To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.10.54.1 src/sys/arch/mipsco/obio/zs_kgdb.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/arch/mipsco/obio/zs_kgdb.c
diff -u src/sys/arch/mipsco/obio/zs_kgdb.c:1.10 src/sys/arch/mipsco/obio/zs_kgdb.c:1.10.54.1
--- src/sys/arch/mipsco/obio/zs_kgdb.c:1.10	Wed Mar 18 10:22:32 2009
+++ src/sys/arch/mipsco/obio/zs_kgdb.c	Wed May 17 03:54:20 2017
@@ -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 @@ zs_kgdb_init(void)
 {
 	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;

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