[media] tm6000: Initialize isochronous transfers only once

This fixes a memory leak where isochronous buffers would be set up for
each video buffer, while it is sufficient to set them up only once per
device.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c
index bef6023424af..873c8ee8b3ba 100644
--- a/drivers/staging/tm6000/tm6000-video.c
+++ b/drivers/staging/tm6000/tm6000-video.c
@@ -754,7 +754,7 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
         struct tm6000_fh     *fh  = vq->priv_data;
         struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
         struct tm6000_core   *dev = fh->dev;
-        int rc = 0, urb_init = 0;
+        int rc = 0;
 
         BUG_ON(NULL == fh->fmt);
 
@@ -780,13 +780,9 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
                 rc = videobuf_iolock(vq, &buf->vb, NULL);
                 if (rc != 0)
                         goto fail;
-                urb_init = 1;
         }
 
-        if (!dev->isoc_ctl.num_bufs)
-                urb_init = 1;
-
-        if (urb_init) {
+        if (!dev->isoc_ctl.num_bufs) {
                 rc = tm6000_prepare_isoc(dev);
                 if (rc < 0)
                         goto fail;