staging: gdm72xx: fix interruptible_sleep_on race

interruptible_sleep_on is racy and going away. This replaces the
use in the gdm72xx driver with the appropriate
wait_event_interruptible_lock_irq.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/gdm72xx/gdm_usb.c b/drivers/staging/gdm72xx/gdm_usb.c
index e0cb2ffb41beac080a07dcb2d476a9043cd37634..f8788bf0a7d39ed02c284a4f5cb8ea51c8dbae98 100644 (file)
--- a/drivers/staging/gdm72xx/gdm_usb.c
+++ b/drivers/staging/gdm72xx/gdm_usb.c
@@ -780,9 +780,10 @@ static int k_mode_thread(void *arg)
 
                        spin_lock_irqsave(&k_lock, flags2);
                }
+               wait_event_interruptible_lock_irq(k_wait,
+                                                 !list_empty(&k_list) || k_mode_stop,
+                                                 k_lock);
                spin_unlock_irqrestore(&k_lock, flags2);
-
-               interruptible_sleep_on(&k_wait);
        }
        return 0;
 }