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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>
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1 changed files with 2 additions and 2 deletions
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@ -418,13 +418,13 @@ static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
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unsigned char buf[] = {0x22, 0x01};
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int arg;
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int gp_func;
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struct i2c_msg msg = { .addr = priv->cfg->switch_addr, .flags = 0,
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.buf = buf, .len = sizeof(buf) };
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struct i2c_msg msg = { .flags = 0, .buf = buf, .len = sizeof(buf) };
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if (NULL == priv->cfg) {
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dprintk("tda827x_config not defined, cannot set LNA gain!\n");
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return;
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}
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msg.addr = priv->cfg->switch_addr;
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if (priv->cfg->config) {
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if (high)
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dprintk("setting LNA to high gain\n");
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