diff options
Diffstat (limited to 'drivers/media/video/video-buf.c')
| -rw-r--r-- | drivers/media/video/video-buf.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c index 574b8e3..acfd3a1 100644 --- a/drivers/media/video/video-buf.c +++ b/drivers/media/video/video-buf.c @@ -147,7 +147,7 @@ int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int direction, data,size,dma->nr_pages); down_read(¤t->mm->mmap_sem); - err = get_user_pages(current,current->mm, + err = get_user_pages(current,current->mm, data & PAGE_MASK, dma->nr_pages, rw == READ, 1, /* force */ dma->pages, NULL); @@ -750,9 +750,9 @@ videobuf_read_zerocopy(struct videobuf_queue *q, char __user *data, { enum v4l2_field field; unsigned long flags; - int retval; + int retval; - /* setup stuff */ + /* setup stuff */ retval = -ENOMEM; q->read_buf = videobuf_alloc(q->msize); if (NULL == q->read_buf) @@ -760,18 +760,18 @@ videobuf_read_zerocopy(struct videobuf_queue *q, char __user *data, q->read_buf->memory = V4L2_MEMORY_USERPTR; q->read_buf->baddr = (unsigned long)data; - q->read_buf->bsize = count; + q->read_buf->bsize = count; field = videobuf_next_field(q); retval = q->ops->buf_prepare(q,q->read_buf,field); if (0 != retval) goto done; - /* start capture & wait */ + /* start capture & wait */ spin_lock_irqsave(q->irqlock,flags); q->ops->buf_queue(q,q->read_buf); spin_unlock_irqrestore(q->irqlock,flags); - retval = videobuf_waiton(q->read_buf,0,0); - if (0 == retval) { + retval = videobuf_waiton(q->read_buf,0,0); + if (0 == retval) { videobuf_dma_pci_sync(q->pci,&q->read_buf->dma); if (STATE_ERROR == q->read_buf->state) retval = -EIO; @@ -828,7 +828,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q, } /* wait until capture is done */ - retval = videobuf_waiton(q->read_buf, nonblocking, 1); + retval = videobuf_waiton(q->read_buf, nonblocking, 1); if (0 != retval) goto done; videobuf_dma_pci_sync(q->pci,&q->read_buf->dma); @@ -1096,7 +1096,7 @@ videobuf_vm_nopage(struct vm_area_struct *vma, unsigned long vaddr, dprintk(3,"nopage: fault @ %08lx [vma %08lx-%08lx]\n", vaddr,vma->vm_start,vma->vm_end); - if (vaddr > vma->vm_end) + if (vaddr > vma->vm_end) return NOPAGE_SIGBUS; page = alloc_page(GFP_USER); if (!page) |
