X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/c47ff7a6c4118d284b0c141e465fe9fb04de997c..962386fc6b973d2f02ab00bb181ddb77e09c5dc2:/ssh-keyscan.c

diff --git a/ssh-keyscan.c b/ssh-keyscan.c
index 304fcfde..7afe446a 100644
--- a/ssh-keyscan.c
+++ b/ssh-keyscan.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-keyscan.c,v 1.76 2008/04/30 10:14:03 djm Exp $ */
+/* $OpenBSD: ssh-keyscan.c,v 1.81 2010/01/09 23:04:13 dtucker Exp $ */
 /*
  * Copyright 1995, 1996 by David Mazieres <dm@lcs.mit.edu>.
  *
@@ -656,7 +656,7 @@ conloop(void)
 	memcpy(e, read_wait, read_wait_nfdset * sizeof(fd_mask));
 
 	while (select(maxfd, r, NULL, e, &seltime) == -1 &&
-	    (errno == EAGAIN || errno == EINTR))
+	    (errno == EAGAIN || errno == EINTR || errno == EWOULDBLOCK))
 		;
 
 	for (i = 0; i < maxfd; i++) {
@@ -713,8 +713,9 @@ fatal(const char *fmt,...)
 static void
 usage(void)
 {
-	fprintf(stderr, "usage: %s [-46Hv] [-f file] [-p port] [-T timeout] [-t type]\n"
-	    "\t\t   [host | addrlist namelist] [...]\n",
+	fprintf(stderr,
+	    "usage: %s [-46Hv] [-f file] [-p port] [-T timeout] [-t type]\n"
+	    "\t\t   [host | addrlist namelist] ...\n",
 	    __progname);
 	exit(1);
 }
@@ -747,7 +748,7 @@ main(int argc, char **argv)
 			break;
 		case 'p':
 			ssh_port = a2port(optarg);
-			if (ssh_port == 0) {
+			if (ssh_port <= 0) {
 				fprintf(stderr, "Bad port '%s'\n", optarg);
 				exit(1);
 			}