From a7026ba90ac1e4a87cd57e9a02dd342d00410f52 Mon Sep 17 00:00:00 2001
From: Wayne Davison <wayned@samba.org>
Date: Wed, 23 Jun 2004 01:13:09 +0000
Subject: [PATCH] Fixed a newly-introduced problem in read_timeout() where
 FD_ZERO(&w_fds) wasn't always called before w_fds was used.

---
 io.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/io.c b/io.c
index ef4735c4..421571a5 100644
--- a/io.c
+++ b/io.c
@@ -380,6 +380,7 @@ static int read_timeout(int fd, char *buf, size_t len)
 		int count;
 
 		FD_ZERO(&r_fds);
+		FD_ZERO(&w_fds);
 		FD_SET(fd, &r_fds);
 		if (msg_fd_in >= 0) {
 			FD_SET(msg_fd_in, &r_fds);
@@ -401,7 +402,6 @@ static int read_timeout(int fd, char *buf, size_t len)
 					new_fd = -1;
 				}
 			} else {
-				FD_ZERO(&w_fds);
 				FD_SET(io_filesfrom_f_out, &w_fds);
 				new_fd = io_filesfrom_f_out;
 			}
@@ -414,9 +414,7 @@ static int read_timeout(int fd, char *buf, size_t len)
 
 		errno = 0;
 
-		count = select(maxfd + 1, &r_fds,
-			       io_filesfrom_buflen? &w_fds : NULL,
-			       NULL, &tv);
+		count = select(maxfd + 1, &r_fds, &w_fds, NULL, &tv);
 
 		if (count <= 0) {
 			if (errno == EBADF)
-- 
2.34.1