V4L/DVB: pwc: remove BKL

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index d06e157..e62beb4 100644 (file)
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -163,7 +163,7 @@ static const struct v4l2_file_operations pwc_fops = {
        .read =         pwc_video_read,
        .poll =         pwc_video_poll,
        .mmap =         pwc_video_mmap,
-       .ioctl =        pwc_video_ioctl,
+       .unlocked_ioctl = pwc_video_ioctl,
 };
 static struct video_device pwc_template = {
        .name =         "Philips Webcam",       /* Filled in later */
@@ -1247,8 +1247,8 @@ static int pwc_video_close(struct file *file)
 
        PWC_DEBUG_OPEN(">> video_close called(vdev = 0x%p).\n", vdev);
 
-       lock_kernel();
        pdev = video_get_drvdata(vdev);
+       mutex_lock(&pdev->modlock);
        if (pdev->vopen == 0)
                PWC_DEBUG_MODULE("video_close() called on closed device?\n");
 
@@ -1286,7 +1286,7 @@ static int pwc_video_close(struct file *file)
                        if (device_hint[hint].pdev == pdev)
                                device_hint[hint].pdev = NULL;
        }
-       unlock_kernel();
+       mutex_unlock(&pdev->modlock);
 
        return 0;
 }
@@ -1872,8 +1872,8 @@ static void usb_pwc_disconnect(struct usb_interface *intf)
        struct pwc_device *pdev;
        int hint;
 
-       lock_kernel();
        pdev = usb_get_intfdata (intf);
+       mutex_lock(&pdev->modlock);
        usb_set_intfdata (intf, NULL);
        if (pdev == NULL) {
                PWC_ERROR("pwc_disconnect() Called without private pointer.\n");
@@ -1898,9 +1898,7 @@ static void usb_pwc_disconnect(struct usb_interface *intf)
        wake_up_interruptible(&pdev->frameq);
        /* Wait until device is closed */
        if (pdev->vopen) {
-               mutex_lock(&pdev->modlock);
                pdev->unplugged = 1;
-               mutex_unlock(&pdev->modlock);
                pwc_iso_stop(pdev);
        } else {
                /* Device is closed, so we can safely unregister it */
@@ -1914,7 +1912,7 @@ disconnect_out:
                                device_hint[hint].pdev = NULL;
        }
 
-       unlock_kernel();
+       mutex_unlock(&pdev->modlock);
 }