From 23de1510e2468ea349354889097e018d4e8770c5 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 12 Oct 2006 01:06:34 -0400 Subject: [PATCH] Input: gameport core - handle errors returned by device_bind_driver() Signed-off-by: Dmitry Torokhov --- drivers/input/gameport/gameport.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index 3f47ae55c6..a0af97efe6 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -191,6 +191,8 @@ static void gameport_run_poll_handler(unsigned long d) static void gameport_bind_driver(struct gameport *gameport, struct gameport_driver *drv) { + int error; + down_write(&gameport_bus.subsys.rwsem); gameport->dev.driver = &drv->driver; @@ -198,8 +200,20 @@ static void gameport_bind_driver(struct gameport *gameport, struct gameport_driv gameport->dev.driver = NULL; goto out; } - device_bind_driver(&gameport->dev); -out: + + error = device_bind_driver(&gameport->dev); + if (error) { + printk(KERN_WARNING + "gameport: device_bind_driver() failed " + "for %s (%s) and %s, error: %d\n", + gameport->phys, gameport->name, + drv->description, error); + drv->disconnect(gameport); + gameport->dev.driver = NULL; + goto out; + } + + out: up_write(&gameport_bus.subsys.rwsem); } -- 2.39.5