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authorDavidlohr Bueso <dave@stgolabs.net>2017-01-09 13:41:34 -0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-02-03 13:40:20 -0200
commit3f7060887294339eaa60e3399cf7ff4d36620395 (patch)
treeea5696ea78b00be6ed1cd8574dd49d8fd5a58939 /drivers/media
parent1059b687d002526452366b2307b2f94e30dd59cf (diff)
[media] media/usbvision: remove ctrl_urb_wq
While the wakeup path seems to be set up, this waitqueue is actually never used as no-one enqueues themselves on the list. As such, wakeups are meaningless without waiters, so lets just get rid of the whole thing. Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/usb/usbvision/usbvision-core.c2
-rw-r--r--drivers/media/usb/usbvision/usbvision-video.c1
-rw-r--r--drivers/media/usb/usbvision/usbvision.h1
3 files changed, 0 insertions, 4 deletions
diff --git a/drivers/media/usb/usbvision/usbvision-core.c b/drivers/media/usb/usbvision/usbvision-core.c
index 0af713066825..3f87fbc80be2 100644
--- a/drivers/media/usb/usbvision/usbvision-core.c
+++ b/drivers/media/usb/usbvision/usbvision-core.c
@@ -1413,8 +1413,6 @@ static void usbvision_ctrl_urb_complete(struct urb *urb)
PDEBUG(DBG_IRQ, "");
usbvision->ctrl_urb_busy = 0;
- if (waitqueue_active(&usbvision->ctrl_urb_wq))
- wake_up_interruptible(&usbvision->ctrl_urb_wq);
}
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index b88fed38a3e5..f5c635a67d74 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -1336,7 +1336,6 @@ static struct usb_usbvision *usbvision_alloc(struct usb_device *dev,
usbvision->ctrl_urb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL);
if (usbvision->ctrl_urb == NULL)
goto err_unreg;
- init_waitqueue_head(&usbvision->ctrl_urb_wq);
return usbvision;
diff --git a/drivers/media/usb/usbvision/usbvision.h b/drivers/media/usb/usbvision/usbvision.h
index 56a28d651930..6ecdcd58248f 100644
--- a/drivers/media/usb/usbvision/usbvision.h
+++ b/drivers/media/usb/usbvision/usbvision.h
@@ -366,7 +366,6 @@ struct usb_usbvision {
unsigned char ctrl_urb_buffer[8];
int ctrl_urb_busy;
struct usb_ctrlrequest ctrl_urb_setup;
- wait_queue_head_t ctrl_urb_wq; /* Processes waiting */
/* configuration part */
int have_tuner;

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