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V4L/DVB (8000): tda827x: fix NULL pointer in tda827xa_lna_gain 

Check that tda827x_config is defined before attempting to use it.

Signed-off-by: Sigmund Augdal <sigmund@snap.tv>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Sigmund Augdal 2008-06-05 12:53:08 -03:00 committed by Mauro Carvalho Chehab
parent a9606ce697
commit 67642a0a58
1 changed files with 2 additions and 2 deletions
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4
drivers/media/common/tuners/tda827x.c
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@ -418,13 +418,13 @@ static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
unsigned char buf[] = {0x22, 0x01};
int arg;
int gp_func;
struct i2c_msg msg = { .addr = priv->cfg->switch_addr, .flags = 0,
.buf = buf, .len = sizeof(buf) };
struct i2c_msg msg = { .flags = 0, .buf = buf, .len = sizeof(buf) };
if (NULL == priv->cfg) {
dprintk("tda827x_config not defined, cannot set LNA gain!\n");
return;
}
msg.addr = priv->cfg->switch_addr;
if (priv->cfg->config) {
if (high)
dprintk("setting LNA to high gain\n");