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V4L/DVB (7802): tuner: Failures at tuner_attach were producing OOPS

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As reported by Mike Galbraith <efault@gmx.de>:

[   13.666587] TUNER: Unable to find symbol tda829x_probe()
[   13.674638] tuner' 1-004b: chip found @ 0x96 (saa7133[0])
[   13.691175] DVB: Unable to find symbol tda9887_attach()
[   13.698968] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[   13.709509] IP: [<ffffffff80302934>] strlcpy+0x11/0x36
[   13.711135] PGD be167067 PUD be140067 PMD 0
[   13.711137] Oops: 0000 [1] SMP

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2008-04-30 15:29:57 -03:00
parent d557dab5de
commit 09fee5f821
1 changed files with 13 additions and 15 deletions
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28
drivers/media/video/tuner-core.c
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@ -340,16 +340,6 @@ static void tuner_i2c_address_check(struct tuner *t)
tuner_warn("====================== WARNING! ======================\n");
}
static void attach_tda829x(struct tuner *t)
{
struct tda829x_config cfg = {
.lna_cfg = t->config,
.tuner_callback = t->tuner_callback,
};
dvb_attach(tda829x_attach,
&t->fe, t->i2c->adapter, t->i2c->addr, &cfg);
}
static struct xc5000_config xc5000_cfg;
static void set_type(struct i2c_client *c, unsigned int type,
@ -385,12 +375,19 @@ static void set_type(struct i2c_client *c, unsigned int type,
switch (t->type) {
case TUNER_MT2032:
dvb_attach(microtune_attach,
&t->fe, t->i2c->adapter, t->i2c->addr);
if (!dvb_attach(microtune_attach,
&t->fe, t->i2c->adapter, t->i2c->addr))
goto attach_failed;
break;
case TUNER_PHILIPS_TDA8290:
{
attach_tda829x(t);
struct tda829x_config cfg = {
.lna_cfg = t->config,
.tuner_callback = t->tuner_callback,
};
if (!dvb_attach(tda829x_attach, &t->fe, t->i2c->adapter,
t->i2c->addr, &cfg))
goto attach_failed;
break;
}
case TUNER_TEA5767:
@ -441,8 +438,9 @@ static void set_type(struct i2c_client *c, unsigned int type,
break;
}
case TUNER_TDA9887:
dvb_attach(tda9887_attach,
&t->fe, t->i2c->adapter, t->i2c->addr);
if (!dvb_attach(tda9887_attach,
&t->fe, t->i2c->adapter, t->i2c->addr))
goto attach_failed;
break;
case TUNER_XC5000:
{