===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/mux.c,v
retrieving revision 1.79
retrieving revision 1.80
diff -u -r1.79 -r1.80
--- src/usr.bin/ssh/mux.c	2019/01/19 21:35:25	1.79
+++ src/usr.bin/ssh/mux.c	2019/06/28 13:35:04	1.80
@@ -1,4 +1,4 @@
-/* $OpenBSD: mux.c,v 1.79 2019/01/19 21:35:25 djm Exp $ */
+/* $OpenBSD: mux.c,v 1.80 2019/06/28 13:35:04 deraadt Exp $ */
 /*
  * Copyright (c) 2002-2008 Damien Miller <djm@openbsd.org>
  *
@@ -1479,7 +1479,7 @@
 			return -1;
 		}
 		len = read(fd, p + have, need - have);
-		if (len < 0) {
+		if (len == -1) {
 			switch (errno) {
 			case EAGAIN:
 				(void)poll(&pfd, 1, -1);
@@ -1525,7 +1525,7 @@
 			return -1;
 		}
 		len = write(fd, ptr + have, need - have);
-		if (len < 0) {
+		if (len == -1) {
 			switch (errno) {
 			case EAGAIN:
 				(void)poll(&pfd, 1, -1);
@@ -2303,7 +2303,7 @@
 		fatal("ControlPath too long ('%s' >= %u bytes)", path,
 		     (unsigned int)sizeof(addr.sun_path));
 
-	if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
+	if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) == -1)
 		fatal("%s socket(): %s", __func__, strerror(errno));
 
 	if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) == -1) {