upstream: Some asprintf() calls were checked < 0, rather than the

precise == -1. ok millert nicm tb, etc

OpenBSD-Commit-ID: caecf8f57938685c04f125515b9f2806ad408d53
diff --git a/auth-options.c b/auth-options.c
index b05d6d6..4923a83 100644
--- a/auth-options.c
+++ b/auth-options.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auth-options.c,v 1.84 2018/10/03 06:38:35 djm Exp $ */
+/* $OpenBSD: auth-options.c,v 1.85 2019/06/27 18:03:37 deraadt Exp $ */
 /*
  * Copyright (c) 2018 Damien Miller <djm@mindrot.org>
  *
@@ -332,7 +332,7 @@
 		 * Allow a bare port number in permitlisten to indicate a
 		 * listen_host wildcard.
 		 */
-		if (asprintf(&tmp, "*:%s", opt) < 0) {
+		if (asprintf(&tmp, "*:%s", opt) == -1) {
 			*errstrp = "memory allocation failed";
 			return -1;
 		}
diff --git a/hostfile.c b/hostfile.c
index e1f826b..eaa237c 100644
--- a/hostfile.c
+++ b/hostfile.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: hostfile.c,v 1.73 2018/07/16 03:09:13 djm Exp $ */
+/* $OpenBSD: hostfile.c,v 1.74 2019/06/27 18:03:37 deraadt Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -545,8 +545,8 @@
 	/*
 	 * Prepare temporary file for in-place deletion.
 	 */
-	if ((r = asprintf(&temp, "%s.XXXXXXXXXXX", filename)) < 0 ||
-	    (r = asprintf(&back, "%s.old", filename)) < 0) {
+	if ((r = asprintf(&temp, "%s.XXXXXXXXXXX", filename)) = -1 ||
+	    (r = asprintf(&back, "%s.old", filename)) == -1) {
 		r = SSH_ERR_ALLOC_FAIL;
 		goto fail;
 	}
diff --git a/misc.c b/misc.c
index 009e02b..4011ee5 100644
--- a/misc.c
+++ b/misc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: misc.c,v 1.137 2019/01/23 21:50:56 dtucker Exp $ */
+/* $OpenBSD: misc.c,v 1.138 2019/06/27 18:03:37 deraadt Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  * Copyright (c) 2005,2006 Damien Miller.  All rights reserved.
@@ -550,7 +550,7 @@
 
 	if (port == 0 || port == SSH_DEFAULT_PORT)
 		return(xstrdup(host));
-	if (asprintf(&hoststr, "[%s]:%d", host, (int)port) < 0)
+	if (asprintf(&hoststr, "[%s]:%d", host, (int)port) == -1)
 		fatal("put_host_port: asprintf: %s", strerror(errno));
 	debug3("put_host_port: %s", hoststr);
 	return hoststr;
diff --git a/sshkey-xmss.c b/sshkey-xmss.c
index aaae702..ef39831 100644
--- a/sshkey-xmss.c
+++ b/sshkey-xmss.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshkey-xmss.c,v 1.3 2018/07/09 21:59:10 markus Exp $ */
+/* $OpenBSD: sshkey-xmss.c,v 1.4 2019/06/27 18:03:37 deraadt Exp $ */
 /*
  * Copyright (c) 2017 Markus Friedl.  All rights reserved.
  *
@@ -467,9 +467,9 @@
 	}
 	if ((filename = k->xmss_filename) == NULL)
 		goto done;
-	if (asprintf(&lockfile, "%s.lock", filename) < 0 ||
-	    asprintf(&statefile, "%s.state", filename) < 0 ||
-	    asprintf(&ostatefile, "%s.ostate", filename) < 0) {
+	if (asprintf(&lockfile, "%s.lock", filename) == -1 ||
+	    asprintf(&statefile, "%s.state", filename) == -1 ||
+	    asprintf(&ostatefile, "%s.ostate", filename) == -1) {
 		ret = SSH_ERR_ALLOC_FAIL;
 		goto done;
 	}
@@ -594,9 +594,9 @@
 	state->idx = idx;
 	if ((filename = k->xmss_filename) == NULL)
 		goto done;
-	if (asprintf(&statefile, "%s.state", filename) < 0 ||
-	    asprintf(&ostatefile, "%s.ostate", filename) < 0 ||
-	    asprintf(&nstatefile, "%s.nstate", filename) < 0) {
+	if (asprintf(&statefile, "%s.state", filename) == -1 ||
+	    asprintf(&ostatefile, "%s.ostate", filename) == -1 ||
+	    asprintf(&nstatefile, "%s.nstate", filename) == -1) {
 		ret = SSH_ERR_ALLOC_FAIL;
 		goto done;
 	}