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authorOliver Neukum <oliver@neukum.org>2009-10-01 14:54:46 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-10-09 13:52:08 -0700
commit4c9fde9b860ccb27a7b026844eb3ef64c77e5a49 (patch)
treec622ed06703f7c77d02186d4be07aeee426d0307 /drivers/usb
parent63a9609513007537a0b23ac511fd73f9bd609ea0 (diff)
downloadblackbird-op-linux-4c9fde9b860ccb27a7b026844eb3ef64c77e5a49.tar.gz
blackbird-op-linux-4c9fde9b860ccb27a7b026844eb3ef64c77e5a49.zip
USB: visor: fix trivial accounting bug in visor driver
usb:usbserial:visor: fix accounting in error case data not pushed to the tty layer due to an error mustn't be counted Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/serial/visor.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 1aa5d20a5d99..8e2d6dd9add0 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -513,7 +513,8 @@ static void visor_read_bulk_callback(struct urb *urb)
tty_kref_put(tty);
}
spin_lock(&priv->lock);
- priv->bytes_in += available_room;
+ if (tty)
+ priv->bytes_in += available_room;
} else {
spin_lock(&priv->lock);
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