V4L/DVB (8000): tda827x: fix NULL pointer in tda827xa_lna_gain (67642a0a) · Commits · 戴 / test

Check that tda827x_config is defined before attempting to use it. Signed-off-by:

drivers/media/common/tuners/tda827x.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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");