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[Qemu-devel] [PATCH 5/5] usb-redir: Don't try to write to the chardev af
From: |
Hans de Goede |
Subject: |
[Qemu-devel] [PATCH 5/5] usb-redir: Don't try to write to the chardev after a close event |
Date: |
Thu, 11 Aug 2011 14:25:15 +0200 |
Sicne we handle close async in a bh, do_write and thus write can get
called after receiving a close event. This patch adds a check to
the usb-redir write callback to not do a qemu_chr_write on a closed
chardev.
Signed-off-by: Hans de Goede <address@hidden>
---
usb-redir.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/usb-redir.c b/usb-redir.c
index 6d8f986..732ddab 100644
--- a/usb-redir.c
+++ b/usb-redir.c
@@ -226,7 +226,7 @@ static int usbredir_write(void *priv, uint8_t *data, int
count)
USBRedirDevice *dev = priv;
int r;
- if (dev->cs->write_blocked) {
+ if (!dev->cs->opened || dev->cs->write_blocked) {
return 0;
}
--
1.7.5.1