diff options
Diffstat (limited to 'drivers/media/video/bt8xx/bttv-driver.c')
-rw-r--r-- | drivers/media/video/bt8xx/bttv-driver.c | 51 |
1 files changed, 25 insertions, 26 deletions
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index 907dc62c1783..5404fcc5276d 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -2354,8 +2354,8 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv, BUG(); } - mutex_lock(&fh->cap.lock); - kfree(fh->ov.clips); + mutex_lock(&fh->cap.vb_lock); + kfree(fh->ov.clips); fh->ov.clips = clips; fh->ov.nclips = n; @@ -2376,7 +2376,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv, bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); retval = bttv_switch_overlay(btv,fh,new); } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2576,7 +2576,7 @@ static int bttv_s_fmt_cap(struct file *file, void *priv, fmt = format_by_fourcc(f->fmt.pix.pixelformat); /* update our state informations */ - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); fh->fmt = fmt; fh->cap.field = f->fmt.pix.field; fh->cap.last = V4L2_FIELD_NONE; @@ -2585,7 +2585,7 @@ static int bttv_s_fmt_cap(struct file *file, void *priv, btv->init.fmt = fmt; btv->init.width = f->fmt.pix.width; btv->init.height = f->fmt.pix.height; - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return 0; } @@ -2611,11 +2611,11 @@ static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) unsigned int i; struct bttv_fh *fh = priv; - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); retval = videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize, V4L2_MEMORY_MMAP); if (retval < 0) { - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2627,7 +2627,7 @@ static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) for (i = 0; i < gbuffers; i++) mbuf->offsets[i] = i * gbufsize; - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return 0; } #endif @@ -2756,10 +2756,11 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) if (!check_alloc_btres(btv, fh, RESOURCE_OVERLAY)) return -EBUSY; - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); if (on) { fh->ov.tvnorm = btv->tvnorm; new = videobuf_pci_alloc(sizeof(*new)); + new->crop = btv->crop[!!fh->do_crop].rect; bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); } else { new = NULL; @@ -2767,7 +2768,7 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) /* switch over */ retval = bttv_switch_overlay(btv, fh, new); - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2806,7 +2807,7 @@ static int bttv_s_fbuf(struct file *file, void *f, } /* ok, accept it */ - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); btv->fbuf.base = fb->base; btv->fbuf.fmt.width = fb->fmt.width; btv->fbuf.fmt.height = fb->fmt.height; @@ -2838,7 +2839,7 @@ static int bttv_s_fbuf(struct file *file, void *f, retval = bttv_switch_overlay(btv, fh, new); } } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -3090,7 +3091,7 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) fh->do_crop = 1; - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); if (fh->width < c.min_scaled_width) { fh->width = c.min_scaled_width; @@ -3108,7 +3109,7 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) btv->init.height = c.max_scaled_height; } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); return 0; } @@ -3177,30 +3178,25 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream); } else { /* read() capture */ - mutex_lock(&fh->cap.lock); + mutex_lock(&fh->cap.vb_lock); if (NULL == fh->cap.read_buf) { /* need to capture a new frame */ - if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) { - mutex_unlock(&fh->cap.lock); - return POLLERR; - } + if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) + goto err; fh->cap.read_buf = videobuf_pci_alloc(fh->cap.msize); - if (NULL == fh->cap.read_buf) { - mutex_unlock(&fh->cap.lock); - return POLLERR; - } + if (NULL == fh->cap.read_buf) + goto err; fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; field = videobuf_next_field(&fh->cap); if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) { kfree (fh->cap.read_buf); fh->cap.read_buf = NULL; - mutex_unlock(&fh->cap.lock); - return POLLERR; + goto err; } fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); fh->cap.read_off = 0; } - mutex_unlock(&fh->cap.lock); + mutex_unlock(&fh->cap.vb_lock); buf = (struct bttv_buffer*)fh->cap.read_buf; } @@ -3209,6 +3205,9 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) buf->vb.state == VIDEOBUF_ERROR) return POLLIN|POLLRDNORM; return 0; +err: + mutex_unlock(&fh->cap.vb_lock); + return POLLERR; } static int bttv_open(struct inode *inode, struct file *file) |