diff options
Diffstat (limited to 'drivers/media/pci/cx18/cx18-queue.c')
| -rw-r--r-- | drivers/media/pci/cx18/cx18-queue.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/media/pci/cx18/cx18-queue.c b/drivers/media/pci/cx18/cx18-queue.c index 013694bfcb1c..eeb5513b1d52 100644 --- a/drivers/media/pci/cx18/cx18-queue.c +++ b/drivers/media/pci/cx18/cx18-queue.c @@ -4,7 +4,7 @@ * * Derived from ivtv-queue.c * - * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2007 Hans Verkuil <hverkuil@kernel.org> * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> */ @@ -379,15 +379,22 @@ int cx18_stream_alloc(struct cx18_stream *s) break; } + buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev, + buf->buf, s->buf_size, + s->dma); + if (dma_mapping_error(&s->cx->pci_dev->dev, buf->dma_handle)) { + kfree(buf->buf); + kfree(mdl); + kfree(buf); + break; + } + INIT_LIST_HEAD(&mdl->list); INIT_LIST_HEAD(&mdl->buf_list); mdl->id = s->mdl_base_idx; /* a somewhat safe value */ cx18_enqueue(s, mdl, &s->q_idle); INIT_LIST_HEAD(&buf->list); - buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev, - buf->buf, s->buf_size, - s->dma); cx18_buf_sync_for_cpu(s, buf); list_add_tail(&buf->list, &s->buf_pool); } |