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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: |
Sat, 19 Nov 2011 10:22:47 +0100 |
Since 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 call qemu_chr_fe_write on a closed
backend.
Signed-off-by: Hans de Goede <address@hidden>
---
usb-redir.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/usb-redir.c b/usb-redir.c
index 24fdd31..fb91c92 100644
--- a/usb-redir.c
+++ b/usb-redir.c
@@ -225,6 +225,10 @@ static int usbredir_write(void *priv, uint8_t *data, int
count)
{
USBRedirDevice *dev = priv;
+ if (!dev->cs->opened) {
+ return 0;
+ }
+
return qemu_chr_fe_write(dev->cs, data, count);
}
--
1.7.7.3
- [Qemu-devel] [PATCHES for 1.0] various spice usb-redir integration patches, Hans de Goede, 2011/11/19
- [Qemu-devel] [PATCH 3/5] usb-redir: Call qemu_chr_fe_open/close, Hans de Goede, 2011/11/19
- [Qemu-devel] [PATCH 2/5] spice-qemu-char: Generate chardev open/close events, Hans de Goede, 2011/11/19
- [Qemu-devel] [PATCH 4/5] usb-redir: Device disconnect + re-connect robustness fixes, Hans de Goede, 2011/11/19
- [Qemu-devel] [PATCH 5/5] usb-redir: Don't try to write to the chardev after a close event,
Hans de Goede <=
- [Qemu-devel] [PATCH 1/5] qemu-char: rename qemu_chr_event to qemu_chr_be_event and make it public, Hans de Goede, 2011/11/19
- Re: [Qemu-devel] [PATCHES for 1.0] various spice usb-redir integration patches, Anthony Liguori, 2011/11/21
- Re: [Qemu-devel] [PATCHES for 1.0] various spice usb-redir integration patches, Anthony Liguori, 2011/11/28