summaryrefslogtreecommitdiffstats
path: root/usr.sbin/vmd/vmm.c
diff options
context:
space:
mode:
authorderaadt <deraadt@openbsd.org>2019-06-28 13:32:41 +0000
committerderaadt <deraadt@openbsd.org>2019-06-28 13:32:41 +0000
commitdf69c215c7c66baf660f3f65414fd34796c96152 (patch)
tree0255639162b24c4a2f761a274e32b69c2256fd45 /usr.sbin/vmd/vmm.c
parentminiroot prototype disklabels should attempt to contain accurate (diff)
downloadwireguard-openbsd-df69c215c7c66baf660f3f65414fd34796c96152.tar.xz
wireguard-openbsd-df69c215c7c66baf660f3f65414fd34796c96152.zip
When system calls indicate an error they return -1, not some arbitrary
value < 0. errno is only updated in this case. Change all (most?) callers of syscalls to follow this better, and let's see if this strictness helps us in the future.
Diffstat (limited to 'usr.sbin/vmd/vmm.c')
-rw-r--r--usr.sbin/vmd/vmm.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/usr.sbin/vmd/vmm.c b/usr.sbin/vmd/vmm.c
index 1cb70b6989a..ab01e2589ce 100644
--- a/usr.sbin/vmd/vmm.c
+++ b/usr.sbin/vmd/vmm.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: vmm.c,v 1.92 2019/05/11 19:55:14 jasper Exp $ */
+/* $OpenBSD: vmm.c,v 1.93 2019/06/28 13:32:51 deraadt Exp $ */
/*
* Copyright (c) 2015 Mike Larkin <mlarkin@openbsd.org>
@@ -769,7 +769,7 @@ get_info_vm(struct privsep *ps, struct imsg *imsg, int terminate)
memset(&vir, 0, sizeof(vir));
/* First ioctl to see how many bytes needed (vip.vip_size) */
- if (ioctl(env->vmd_fd, VMM_IOC_INFO, &vip) < 0)
+ if (ioctl(env->vmd_fd, VMM_IOC_INFO, &vip) == -1)
return (errno);
if (vip.vip_info_ct != 0)
@@ -781,7 +781,7 @@ get_info_vm(struct privsep *ps, struct imsg *imsg, int terminate)
/* Second ioctl to get the actual list */
vip.vip_info = info;
- if (ioctl(env->vmd_fd, VMM_IOC_INFO, &vip) < 0) {
+ if (ioctl(env->vmd_fd, VMM_IOC_INFO, &vip) == -1) {
ret = errno;
free(info);
return (ret);