diff options
| author | Vojtech Pavlik <vojtech@suse.cz> | 2005-09-05 09:12:39 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-05 09:12:39 +0400 |
| commit | fb76b099f86624d3c629cfab071aa2296f65b7bb (patch) | |
| tree | 14efa0998d05e155ae956d0ac630230170563c5d /drivers/input/joystick/iforce/iforce-packets.c | |
| parent | 39fd748f56012fdde4cf862f127ce4cdec50d661 (diff) | |
| download | linux-fb76b099f86624d3c629cfab071aa2296f65b7bb.tar.xz | |
Input: iforce - use wait_event_interruptible_timeout
The timeout while() loops in iforce-packets.c lack a
set_current_state(TASK_INTERRUPTIBLE); call. The right solution is
to replace them with wait_event_interruptible_timeout().
Reported-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/joystick/iforce/iforce-packets.c')
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-packets.c | 32 |
1 files changed, 7 insertions, 25 deletions
diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c index 58728ebaaf80..e5a31e55d3e2 100644 --- a/drivers/input/joystick/iforce/iforce-packets.c +++ b/drivers/input/joystick/iforce/iforce-packets.c @@ -249,9 +249,6 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data, int iforce_get_id_packet(struct iforce *iforce, char *packet) { - DECLARE_WAITQUEUE(wait, current); - int timeout = HZ; /* 1 second */ - switch (iforce->bus) { case IFORCE_USB: @@ -260,22 +257,13 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet) iforce->cr.bRequest = packet[0]; iforce->ctrl->dev = iforce->usbdev; - set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(&iforce->wait, &wait); - - if (usb_submit_urb(iforce->ctrl, GFP_ATOMIC)) { - set_current_state(TASK_RUNNING); - remove_wait_queue(&iforce->wait, &wait); + if (usb_submit_urb(iforce->ctrl, GFP_ATOMIC)) return -1; - } - while (timeout && iforce->ctrl->status == -EINPROGRESS) - timeout = schedule_timeout(timeout); + wait_event_interruptible_timeout(iforce->wait, + iforce->ctrl->status != -EINPROGRESS, HZ); - set_current_state(TASK_RUNNING); - remove_wait_queue(&iforce->wait, &wait); - - if (!timeout) { + if (iforce->ctrl->status != -EINPROGRESS) { usb_unlink_urb(iforce->ctrl); return -1; } @@ -290,16 +278,10 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet) iforce->expect_packet = FF_CMD_QUERY; iforce_send_packet(iforce, FF_CMD_QUERY, packet); - set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(&iforce->wait, &wait); - - while (timeout && iforce->expect_packet) - timeout = schedule_timeout(timeout); - - set_current_state(TASK_RUNNING); - remove_wait_queue(&iforce->wait, &wait); + wait_event_interruptible_timeout(iforce->wait, + !iforce->expect_packet, HZ); - if (!timeout) { + if (iforce->expect_packet) { iforce->expect_packet = 0; return -1; } |