Module Name: src
Committed By: riastradh
Date: Mon Aug 22 00:20:56 UTC 2022
Modified Files:
src/sys/dev: cons.c
Log Message:
cons(4): Don't barge ahead if cdevvp has failed -- return error now.
To generate a diff of this commit:
cvs rdiff -u -r1.78 -r1.79 src/sys/dev/cons.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/dev/cons.c
diff -u src/sys/dev/cons.c:1.78 src/sys/dev/cons.c:1.79
--- src/sys/dev/cons.c:1.78 Mon Aug 22 00:20:45 2022
+++ src/sys/dev/cons.c Mon Aug 22 00:20:56 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: cons.c,v 1.78 2022/08/22 00:20:45 riastradh Exp $ */
+/* $NetBSD: cons.c,v 1.79 2022/08/22 00:20:56 riastradh Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cons.c,v 1.78 2022/08/22 00:20:45 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cons.c,v 1.79 2022/08/22 00:20:56 riastradh Exp $");
#include <sys/param.h>
#include <sys/proc.h>
@@ -131,8 +131,10 @@ cnopen(dev_t dev, int flag, int mode, st
}
if (cn_devvp[unit] != NULLVP)
return 0;
- if ((error = cdevvp(cndev, &cn_devvp[unit])) != 0)
+ if ((error = cdevvp(cndev, &cn_devvp[unit])) != 0) {
printf("cnopen: unable to get vnode reference\n");
+ return error;
+ }
vn_lock(cn_devvp[unit], LK_EXCLUSIVE | LK_RETRY);
error = VOP_OPEN(cn_devvp[unit], flag, kauth_cred_get());
VOP_UNLOCK(cn_devvp[unit]);
