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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/mkuboot
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/mkuboot')
-rw-r--r--usr.sbin/mkuboot/mkuboot.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/usr.sbin/mkuboot/mkuboot.c b/usr.sbin/mkuboot/mkuboot.c
index c7fb31de823..9afc02f654c 100644
--- a/usr.sbin/mkuboot/mkuboot.c
+++ b/usr.sbin/mkuboot/mkuboot.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mkuboot.c,v 1.8 2017/10/29 08:45:53 mpi Exp $ */
+/* $OpenBSD: mkuboot.c,v 1.9 2019/06/28 13:32:48 deraadt Exp $ */
/*
* Copyright (c) 2008 Mark Kettenis
@@ -224,13 +224,13 @@ main(int argc, char *argv[])
strlcpy((char *)ih.ih_name, imgname, sizeof ih.ih_name);
ifd = open(iname, O_RDONLY);
- if (ifd < 0)
+ if (ifd == -1)
err(1, "%s", iname);
if (fstat(ifd, &sb) == -1)
err(1, "%s", iname);
ofd = open(oname, O_RDWR | O_TRUNC | O_CREAT, 0644);
- if (ofd < 0)
+ if (ofd == -1)
err(1, "%s", oname);
if (pledge("stdio", NULL) == -1)