[media] af0933: Don't go past arrays
X-Patchwork-Delegate: m.chehab@samsung.com Fixes the following sparse warnings: drivers/media/dvb-frontends/af9033.c:295 af9033_init() error: buffer overflow 'clock_adc_lut' 11 <= 11 drivers/media/dvb-frontends/af9033.c:300 af9033_init() error: buffer overflow 'clock_adc_lut' 11 <= 11 drivers/media/dvb-frontends/af9033.c:584 af9033_set_frontend() error: buffer overflow 'coeff_lut' 3 <= 3 drivers/media/dvb-frontends/af9033.c:595 af9033_set_frontend() error: buffer overflow 'clock_adc_lut' 11 <= 11 Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Reviewed-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -291,6 +291,12 @@ static int af9033_init(struct dvb_frontend *fe)
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if (clock_adc_lut[i].clock == dev->cfg.clock)
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break;
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}
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if (i == ARRAY_SIZE(clock_adc_lut)) {
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dev_err(&dev->client->dev,
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"Couldn't find ADC config for clock=%d\n",
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dev->cfg.clock);
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goto err;
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}
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adc_cw = af9033_div(dev, clock_adc_lut[i].adc, 1000000ul, 19ul);
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buf[0] = (adc_cw >> 0) & 0xff;
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@ -580,6 +586,14 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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break;
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}
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}
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if (i == ARRAY_SIZE(coeff_lut)) {
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dev_err(&dev->client->dev,
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"Couldn't find LUT config for clock=%d\n",
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dev->cfg.clock);
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ret = -EINVAL;
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goto err;
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}
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ret = af9033_wr_regs(dev, 0x800001,
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coeff_lut[i].val, sizeof(coeff_lut[i].val));
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}
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@ -592,6 +606,13 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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if (clock_adc_lut[i].clock == dev->cfg.clock)
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break;
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}
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if (i == ARRAY_SIZE(clock_adc_lut)) {
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dev_err(&dev->client->dev,
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"Couldn't find ADC clock for clock=%d\n",
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dev->cfg.clock);
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ret = -EINVAL;
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goto err;
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}
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adc_freq = clock_adc_lut[i].adc;
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/* get used IF frequency */
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