@@ -842,7 +842,7 @@ static const struct v4l2_queryctrl *ctrl_by_id(int id)
RESOURCE_OVERLAY)
static
-int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit)
+int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit)
{
int xbits; /* mutual exclusive resources */
@@ -935,7 +935,7 @@ disclaim_video_lines(struct bttv *btv)
}
static
-void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits)
+void free_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bits)
{
if ((fh->resources & bits) != bits) {
/* trying to free ressources not allocated by us ... */
@@ -1682,7 +1682,7 @@ bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
kfree(old);
}
if (NULL == new)
- free_btres(btv,fh,RESOURCE_OVERLAY);
+ free_btres_lock(btv,fh,RESOURCE_OVERLAY);
dprintk("switch_overlay: done\n");
return retval;
}
@@ -2124,7 +2124,7 @@ bttv_crop_adjust (struct bttv_crop * c,
also adjust the current cropping parameters to get closer to the
desired image size. */
static int
-limit_scaled_size (struct bttv_fh * fh,
+limit_scaled_size_lock (struct bttv_fh * fh,
__s32 * width,
__s32 * height,
enum v4l2_field field,
@@ -2238,7 +2238,7 @@ limit_scaled_size (struct bttv_fh * fh,
may also adjust the current cropping parameters to get closer
to the desired window size. */
static int
-verify_window (struct bttv_fh * fh,
+verify_window_lock (struct bttv_fh * fh,
struct v4l2_window * win,
int adjust_size,
int adjust_crop)
@@ -2292,7 +2292,7 @@ verify_window (struct bttv_fh * fh,
win->w.width -= win->w.left & ~width_mask;
win->w.left = (win->w.left - width_mask - 1) & width_mask;
- rc = limit_scaled_size(fh, &win->w.width, &win->w.height,
+ rc = limit_scaled_size_lock(fh, &win->w.width, &win->w.height,
field, width_mask,
/* width_bias: round down */ 0,
adjust_size, adjust_crop);
@@ -2303,7 +2303,7 @@ verify_window (struct bttv_fh * fh,
return 0;
}
-static int setup_window(struct bttv_fh *fh, struct bttv *btv,
+static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv,
struct v4l2_window *win, int fixup)
{
struct v4l2_clip *clips = NULL;
@@ -2313,7 +2313,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv,
return -EINVAL;
if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED))
return -EINVAL;
- retval = verify_window(fh, win,
+ retval = verify_window_lock(fh, win,
/* adjust_size */ fixup,
/* adjust_crop */ fixup);
if (0 != retval)
@@ -2516,7 +2516,7 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
width = f->fmt.pix.width;
height = f->fmt.pix.height;
- rc = limit_scaled_size(fh, &width, &height, field,
+ rc = limit_scaled_size_lock(fh, &width, &height, field,
/* width_mask: 4 pixels */ ~3,
/* width_bias: nearest */ 2,
/* adjust_size */ 1,
@@ -2536,7 +2536,7 @@ static int bttv_try_fmt_vid_overlay(struct file *file, void *priv,
{
struct bttv_fh *fh = priv;
- return verify_window(fh, &f->fmt.win,
+ return verify_window_lock(fh, &f->fmt.win,
/* adjust_size */ 1,
/* adjust_crop */ 0);
}
@@ -2563,7 +2563,7 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
height = f->fmt.pix.height;
field = f->fmt.pix.field;
- retval = limit_scaled_size(fh, &width, &height, f->fmt.pix.field,
+ retval = limit_scaled_size_lock(fh, &width, &height, f->fmt.pix.field,
/* width_mask: 4 pixels */ ~3,
/* width_bias: nearest */ 2,
/* adjust_size */ 1,
@@ -2601,7 +2601,7 @@ static int bttv_s_fmt_vid_overlay(struct file *file, void *priv,
return -EINVAL;
}
- return setup_window(fh, btv, &f->fmt.win, 1);
+ return setup_window_lock(fh, btv, &f->fmt.win, 1);
}
#ifdef CONFIG_VIDEO_V4L1_COMPAT
@@ -2742,7 +2742,7 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on)
}
}
- if (!check_alloc_btres(btv, fh, RESOURCE_OVERLAY))
+ if (!check_alloc_btres_lock(btv, fh, RESOURCE_OVERLAY))
return -EBUSY;
mutex_lock(&fh->cap.vb_lock);
@@ -2785,7 +2785,7 @@ static int bttv_s_fbuf(struct file *file, void *f,
__s32 width = fb->fmt.width;
__s32 height = fb->fmt.height;
- retval = limit_scaled_size(fh, &width, &height,
+ retval = limit_scaled_size_lock(fh, &width, &height,
V4L2_FIELD_INTERLACED,
/* width_mask */ ~3,
/* width_bias */ 2,
@@ -2852,7 +2852,7 @@ static int bttv_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
struct bttv *btv = fh->btv;
int res = bttv_resource(fh);
- if (!check_alloc_btres(btv, fh, res))
+ if (!check_alloc_btres_lock(btv, fh, res))
return -EBUSY;
return videobuf_qbuf(bttv_queue(fh), b);
@@ -2872,7 +2872,7 @@ static int bttv_streamon(struct file *file, void *priv,
struct bttv *btv = fh->btv;
int res = bttv_resource(fh);
- if (!check_alloc_btres(btv, fh, res))
+ if (!check_alloc_btres_lock(btv, fh, res))
return -EBUSY;
return videobuf_streamon(bttv_queue(fh));
}
@@ -2890,7 +2890,7 @@ static int bttv_streamoff(struct file *file, void *priv,
retval = videobuf_streamoff(bttv_queue(fh));
if (retval < 0)
return retval;
- free_btres(btv, fh, res);
+ free_btres_lock(btv, fh, res);
return 0;
}
@@ -3030,7 +3030,7 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
/* Make sure tvnorm, vbi_end and the current cropping
parameters remain consistent until we're done. Note
- read() may change vbi_end in check_alloc_btres(). */
+ read() may change vbi_end in check_alloc_btres_lock(). */
mutex_lock(&btv->lock);
retval = -EBUSY;
@@ -3128,17 +3128,17 @@ static ssize_t bttv_read(struct file *file, char __user *data,
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (!check_alloc_btres(fh->btv, fh, RESOURCE_VIDEO_READ)) {
+ if (!check_alloc_btres_lock(fh->btv, fh, RESOURCE_VIDEO_READ)) {
/* VIDEO_READ in use by another fh,
or VIDEO_STREAM by any fh. */
return -EBUSY;
}
retval = videobuf_read_one(&fh->cap, data, count, ppos,
file->f_flags & O_NONBLOCK);
- free_btres(fh->btv, fh, RESOURCE_VIDEO_READ);
+ free_btres_lock(fh->btv, fh, RESOURCE_VIDEO_READ);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
+ if (!check_alloc_btres_lock(fh->btv,fh,RESOURCE_VBI))
return -EBUSY;
retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1,
file->f_flags & O_NONBLOCK);
@@ -3157,7 +3157,7 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
unsigned int rc = POLLERR;
if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
- if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
+ if (!check_alloc_btres_lock(fh->btv,fh,RESOURCE_VBI))
return POLLERR;
return videobuf_poll_stream(file, &fh->vbi, wait);
}
@@ -3288,20 +3288,20 @@ static int bttv_release(struct file *file)
/* stop video capture */
if (check_btres(fh, RESOURCE_VIDEO_STREAM)) {
videobuf_streamoff(&fh->cap);
- free_btres(btv,fh,RESOURCE_VIDEO_STREAM);
+ free_btres_lock(btv,fh,RESOURCE_VIDEO_STREAM);
}
if (fh->cap.read_buf) {
buffer_release(&fh->cap,fh->cap.read_buf);
kfree(fh->cap.read_buf);
}
if (check_btres(fh, RESOURCE_VIDEO_READ)) {
- free_btres(btv, fh, RESOURCE_VIDEO_READ);
+ free_btres_lock(btv, fh, RESOURCE_VIDEO_READ);
}
/* stop vbi capture */
if (check_btres(fh, RESOURCE_VBI)) {
videobuf_stop(&fh->vbi);
- free_btres(btv,fh,RESOURCE_VBI);
+ free_btres_lock(btv,fh,RESOURCE_VBI);
}
/* free stuff */