* Backport from upstream:

  - Silence spurious error messages from hang-on-exit fix
    (http://bugzilla.mindrot.org/show_bug.cgi?id=1306, closes: #429531).

1 files changed, 4 insertions, 5 deletions

diff --git a/channels.c b/channels.c
index 530c0d460..6b0fb0b71 100644
--- a/channels.c
+++ b/channels.c
@@ -1446,14 +1446,13 @@ static int
 channel_handle_rfd(Channel *c, fd_set *readset, fd_set *writeset)
 {
         char buf[CHAN_RBUF];
-        int len;
+        int len, force;
 
-        if (c->rfd != -1 &&
-            (c->detach_close || FD_ISSET(c->rfd, readset))) {
+        force = c->isatty && c->detach_close && c->istate != CHAN_INPUT_CLOSED;
+        if (c->rfd != -1 && (force || FD_ISSET(c->rfd, readset))) {
                 errno = 0;
                 len = read(c->rfd, buf, sizeof(buf));
-                if (len < 0 && (errno == EINTR ||
-                    (errno == EAGAIN && !(c->isatty && c->detach_close))))
+                if (len < 0 && (errno == EINTR || (errno == EAGAIN && !force)))
                         return 1;
 #ifndef PTY_ZEROREAD
                 if (len <= 0) {