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[Qemu-devel] [PATCH 8/9] char-pty: remove check for connection on write


From: Marc-André Lureau
Subject: [Qemu-devel] [PATCH 8/9] char-pty: remove check for connection on write
Date: Tue, 28 Aug 2018 00:23:21 +0200

This doesn't give much compared to the 1 second timer: there is no
reliable / unracy way to have slave connect & master write. However,
we can simplify the code around chr_write() since the write lock is no
longer needed for various other char-pty callbacks (see following
patch).

Signed-off-by: Marc-André Lureau <address@hidden>
---
 chardev/char-pty.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/chardev/char-pty.c b/chardev/char-pty.c
index 68fd4e20c3..ebd7035c6d 100644
--- a/chardev/char-pty.c
+++ b/chardev/char-pty.c
@@ -134,11 +134,7 @@ static int char_pty_chr_write(Chardev *chr, const uint8_t 
*buf, int len)
     PtyChardev *s = PTY_CHARDEV(chr);
 
     if (!s->connected) {
-        /* guest sends data, check for (re-)connect */
-        pty_chr_update_read_handler_locked(chr);
-        if (!s->connected) {
-            return len;
-        }
+        return len;
     }
     return io_channel_send(s->ioc, buf, len);
 }
-- 
2.18.0.547.g1d89318c48




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