[openssh-commits] [openssh] 06/08: upstream: match .events with .fd better

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djm pushed a commit to branch master
in repository openssh.

commit 092d29b232ef1a19609a5316ed7e4d896bb2e696
Author: deraadt at openbsd.org <deraadt at openbsd.org>
Date:   Sun Nov 14 06:15:36 2021 +0000

    upstream: match .events with .fd better
    
    OpenBSD-Commit-ID: 77eef212ca0add905949532af390164489c5984b
---
 sftp-server.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/sftp-server.c b/sftp-server.c
index 3f3de399..7db74004 100644
--- a/sftp-server.c
+++ b/sftp-server.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp-server.c,v 1.132 2021/11/14 03:25:10 deraadt Exp $ */
+/* $OpenBSD: sftp-server.c,v 1.133 2021/11/14 06:15:36 deraadt Exp $ */
 /*
  * Copyright (c) 2000-2004 Markus Friedl.  All rights reserved.
  *
@@ -1844,8 +1844,6 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
 
 		memset(pfd, 0, sizeof pfd);
 		pfd[0].fd = pfd[1].fd = -1;
-		pfd[0].events = POLLIN;
-		pfd[1].events = POLLOUT;
 
 		/*
 		 * Ensure that we can read a full buffer and handle
@@ -1854,14 +1852,18 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
 		 */
 		if ((r = sshbuf_check_reserve(iqueue, sizeof(buf))) == 0 &&
 		    (r = sshbuf_check_reserve(oqueue,
-		    SFTP_MAX_MSG_LENGTH)) == 0)
+		    SFTP_MAX_MSG_LENGTH)) == 0) {
 			pfd[0].fd = in;
+			pfd[0].events = POLLIN;
+		}
 		else if (r != SSH_ERR_NO_BUFFER_SPACE)
 			fatal_fr(r, "reserve");
 
 		olen = sshbuf_len(oqueue);
-		if (olen > 0)
+		if (olen > 0) {
 			pfd[1].fd = out;
+			pfd[1].events = POLLOUT;
+		}
 
 		if (poll(pfd, 2, -1) == -1) {
 			if (errno == EINTR)

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