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authorDarron Broad <darron@kewl.org>2008-10-30 05:07:44 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-29 17:53:25 -0200
commitcbd82441065820190960aae1b1cfb09bff366ad6 (patch)
tree97f30c16d4f4e8d38311f5396c1cc576f6051eed /drivers
parent5910e820cdaaf0b7120c96647d10e3ce52d840b7 (diff)
V4L/DVB (9500): cx88-dvb: MFE attachment fix-up
MFE attachment fix-up Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/cx88/cx88-dvb.c49
1 files changed, 32 insertions, 17 deletions
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 309ca5e6806..8378d46dc80 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -1199,8 +1199,7 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
{
struct cx88_core *core = drv->core;
struct cx8802_dev *dev = drv->core->dvbdev;
- int err, i;
- struct videobuf_dvb_frontend *fe;
+ int err;
dprintk( 1, "%s\n", __func__);
dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
@@ -1216,31 +1215,47 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
/* If vp3054 isn't enabled, a stub will just return 0 */
err = vp3054_i2c_probe(dev);
if (0 != err)
- goto fail_core;
+ goto fail_probe;
/* dvb stuff */
printk(KERN_INFO "%s/2: cx2388x based DVB/ATSC card\n", core->name);
dev->ts_gen_cntrl = 0x0c;
- for (i = 1; i <= core->board.num_frontends; i++) {
- fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i);
- if (!fe) {
- printk(KERN_ERR "%s() failed to get frontend(%d)\n", __func__, i);
- continue;
+ err = -ENODEV;
+ if (core->board.num_frontends) {
+ struct videobuf_dvb_frontend *fe;
+ int i;
+
+ for (i = 1; i <= core->board.num_frontends; i++) {
+ fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i);
+ if (fe == NULL) {
+ printk(KERN_ERR "%s() failed to get frontend(%d)\n",
+ __func__, i);
+ goto fail_probe;
+ }
+ videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops,
+ &dev->pci->dev, &dev->slock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_TOP,
+ sizeof(struct cx88_buffer),
+ dev);
+ /* init struct videobuf_dvb */
+ fe->dvb.name = dev->core->name;
}
- videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops,
- &dev->pci->dev, &dev->slock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_TOP,
- sizeof(struct cx88_buffer),
- dev);
- /* init struct videobuf_dvb */
- fe->dvb.name = dev->core->name;
+ } else {
+ /* no frontends allocated */
+ printk(KERN_ERR "%s/2 .num_frontends should be non-zero\n",
+ core->name);
+ goto fail_core;
}
err = dvb_register(dev);
- if (err != 0)
+ if (err)
+ /* frontends/adapter de-allocated in dvb_register */
printk(KERN_ERR "%s/2: dvb_register failed (err = %d)\n",
core->name, err);
+ return err;
+fail_probe:
+ videobuf_dvb_dealloc_frontends(&core->dvbdev->frontends);
fail_core:
return err;
}