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opticon: Fix resume logic

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Opticon now takes the right mutex to check the port status but the status
check is done wrongly for the modern serial code, so fix it.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox 2009-10-06 16:06:57 +01:00 committed by Greg Kroah-Hartman
parent 82fc594343
commit 2a0785ea37
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/serial/opticon.c
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@ -502,7 +502,8 @@ static int opticon_resume(struct usb_interface *intf)
int result;
mutex_lock(&port->port.mutex);
if (port->port.count)
/* This is protected by the port mutex against close/open */
if (test_bit(ASYNCB_INITIALIZED, &port->port.flags))
result = usb_submit_urb(priv->bulk_read_urb, GFP_NOIO);
else
result = 0;