3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Johan Hovold <jhovold@xxxxxxxxx>
commit 618aa1068df29c37a58045fe940f9106664153fd upstream.
Remove bogus disconnect test introduced by 95bef012e ("USB: more serial
drivers writing after disconnect") which prevented queued data from
being freed on disconnect.
The possible IO it was supposed to prevent is long gone.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/serial/garmin_gps.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -971,10 +971,7 @@ static void garmin_close(struct usb_seri
if (!serial)
return;
- mutex_lock(&port->serial->disc_mutex);
-
- if (!port->serial->disconnected)
- garmin_clear(garmin_data_p);
+ garmin_clear(garmin_data_p);
/* shutdown our urbs */
usb_kill_urb(port->read_urb);
@@ -983,8 +980,6 @@ static void garmin_close(struct usb_seri
/* keep reset state so we know that we must start a new session */
if (garmin_data_p->state != STATE_RESET)
garmin_data_p->state = STATE_DISCONNECTED;
-
- mutex_unlock(&port->serial->disc_mutex);
}
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