diff options
Diffstat (limited to 'drivers/media/video/videobuf-dma-sg.c')
| -rw-r--r-- | drivers/media/video/videobuf-dma-sg.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 2ad0bc252b0e..20f227ee2b3e 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -116,8 +116,8 @@ static struct scatterlist *videobuf_pages_to_sg(struct page **pages, goto nopage; if (PageHighMem(pages[i])) goto highmem; - sg_set_page(&sglist[i], pages[i], min(PAGE_SIZE, size), 0); - size -= min(PAGE_SIZE, size); + sg_set_page(&sglist[i], pages[i], min_t(size_t, PAGE_SIZE, size), 0); + size -= min_t(size_t, PAGE_SIZE, size); } return sglist; @@ -358,7 +358,7 @@ static void videobuf_vm_close(struct vm_area_struct *vma) map->count--; if (0 == map->count) { dprintk(1, "munmap %p q=%p\n", map, q); - mutex_lock(&q->vb_lock); + videobuf_queue_lock(q); for (i = 0; i < VIDEO_MAX_FRAME; i++) { if (NULL == q->bufs[i]) continue; @@ -374,7 +374,7 @@ static void videobuf_vm_close(struct vm_area_struct *vma) q->bufs[i]->baddr = 0; q->ops->buf_release(q, q->bufs[i]); } - mutex_unlock(&q->vb_lock); + videobuf_queue_unlock(q); kfree(map); } return; @@ -654,10 +654,11 @@ void videobuf_queue_sg_init(struct videobuf_queue *q, enum v4l2_buf_type type, enum v4l2_field field, unsigned int msize, - void *priv) + void *priv, + struct mutex *ext_lock) { videobuf_queue_core_init(q, ops, dev, irqlock, type, field, msize, - priv, &sg_ops); + priv, &sg_ops, ext_lock); } EXPORT_SYMBOL_GPL(videobuf_queue_sg_init); |