On Mon, 8 May 2006, Guennadi Liakhovetski wrote:
> Yes. I put a WARN_ON(1) next to ++open_count in both files and I still see
> it every time I log in and out.
Below is my current version of the patch. No idea in how far it is
generically acceptable... Works for me.
Guennadi
---
Guennadi Liakhovetski
diff -u a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
--- a/drivers/usb/serial/console.c 2006-05-09 00:28:03.000000000 +0200
+++ b/drivers/usb/serial/console.c 2006-05-09 00:26:26.000000000 +0200
@@ -296,3 +296,7 @@
}
}
+int usb_serial_console_port(struct usb_serial_port *port)
+{
+ return (port == usbcons_info.port);
+}
diff -u a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
--- a/drivers/usb/serial/usb-serial.c 2006-05-09 00:27:31.000000000 +0200
+++ b/drivers/usb/serial/usb-serial.c 2006-05-09 00:25:57.000000000 +0200
@@ -208,7 +208,7 @@
tty->driver_data = port;
port->tty = tty;
- if (port->open_count == 1) {
+ if (port->open_count == 1 || (port->open_count == 2 &&
usb_serial_console_port(port))) {
/* lock this module before we call it
* this may fail, which means we must bail out,
diff -u a/drivers/usb/serial/usb-serial.h b/drivers/usb/serial/usb-serial.h
--- a/drivers/usb/serial/usb-serial.h 2006-05-09 00:27:10.000000000 +0200
+++ b/drivers/usb/serial/usb-serial.h 2006-05-09 00:12:20.000000000 +0200
@@ -249,10 +249,12 @@
extern void usb_serial_console_init (int debug, int minor);
extern void usb_serial_console_exit (void);
extern void usb_serial_console_disconnect(struct usb_serial *serial);
+extern int usb_serial_console_port(struct usb_serial_port *port);
#else
static inline void usb_serial_console_init (int debug, int minor) { }
static inline void usb_serial_console_exit (void) { }
static inline void usb_serial_console_disconnect(struct usb_serial *serial) {}
+static inline int usb_serial_console_port(struct usb_serial_port *port)
{return 0;}
#endif
/* Functions needed by other parts of the usbserial core */
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