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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-04-30 15:29:57 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-05-14 02:53:57 -0300
commit09fee5f8211fc0a586187c4a0db7f5f42a4e333f (patch)
tree6af12a771b9483e233138e5f31c2fff6f9f88388 /drivers/media/video
parentd557dab5de82edfe5bab9a1964dfc5cf2b2b6833 (diff)
V4L/DVB (7802): tuner: Failures at tuner_attach were producing OOPS
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>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/tuner-core.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index c8cd718675a..b5dacde023e 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -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:
{