提交 96b7a1a8 编写于 作者: D Darron Broad 提交者: Mauro Carvalho Chehab

V4L/DVB (9271): videobuf: data storage optimisation (2)

To optimise data storage even further one other redundant
var has been removed.

This also removes a redundant assignment.
Signed-off-by: NSteven Toth <stoth@linuxtv.org>
Signed-off-by: NDarron Broad <darron@kewl.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 74563214
......@@ -571,7 +571,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
port->num_frontends);
for (i = 1; i <= port->num_frontends; i++) {
if (videobuf_dvb_alloc_frontend(dev,
if (videobuf_dvb_alloc_frontend(
&port->frontends, i) == NULL) {
printk(KERN_ERR "%s() failed to alloc\n", __func__);
return -ENOMEM;
......
......@@ -807,7 +807,7 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends);
for (i = 1; i <= core->board.num_frontends; i++) {
demod = videobuf_dvb_alloc_frontend(dev, &dev->frontends, i);
demod = videobuf_dvb_alloc_frontend(&dev->frontends, i);
if(demod == NULL) {
printk(KERN_ERR "%s() failed to alloc\n", __func__);
err = -ENOMEM;
......
......@@ -958,7 +958,7 @@ static int dvb_init(struct saa7134_dev *dev)
printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
if (videobuf_dvb_alloc_frontend(dev, &dev->frontends, 1) == NULL) {
if (videobuf_dvb_alloc_frontend(&dev->frontends, 1) == NULL) {
printk(KERN_ERR "%s() failed to alloc\n", __func__);
return -ENOMEM;
}
......
......@@ -307,10 +307,8 @@ void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
dvb_dmx_release(&fe->dvb.demux);
dvb_unregister_frontend(fe->dvb.frontend);
}
if(fe->dvb.frontend) { /* always allocated, may have been reset */
if(fe->dvb.frontend) /* always allocated, may have been reset */
dvb_frontend_detach(fe->dvb.frontend);
fe->dvb.frontend = NULL;
}
list_del(list);
kfree(fe);
}
......@@ -360,7 +358,7 @@ int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_fron
return ret;
}
struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct videobuf_dvb_frontends *f, int id)
struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id)
{
struct videobuf_dvb_frontend *fe;
......@@ -368,7 +366,6 @@ struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct
if (fe == NULL)
goto fail_alloc;
fe->dev = private;
fe->id = id;
mutex_init(&fe->dvb.lock);
......
......@@ -25,7 +25,6 @@ struct videobuf_dvb {
struct videobuf_dvb_frontend {
struct list_head felist;
void *dev;
int id;
struct videobuf_dvb dvb;
};
......@@ -57,7 +56,7 @@ int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *f,
int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_dvb *dvb);
struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct videobuf_dvb_frontends *f, int id);
struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id);
struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id);
int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p);
......
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