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[media] radio-si476x: add return value check to avoid dead code

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Dead code found on below code:
    si476x_radio_add_new_custom(radio, SI476X_IDX_DIVERSITY_MODE);
    if (rval < 0)
            goto exit;

    si476x_radio_add_new_custom(radio, SI476X_IDX_INTERCHIP_LINK);
    if (rval < 0)  ====> Dead code !!!
            goto exit;

The piece of code miss return value check after calling .si476x_radio_add_new_custom(),
the patch fix it.

Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Fugang Duan 2016-01-11 05:13:35 -02:00 committed by Mauro Carvalho Chehab
parent 9dd73448c6
commit 949cf70636
1 changed files with 2 additions and 2 deletions
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4
drivers/media/radio/radio-si476x.c
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@ -1530,11 +1530,11 @@ static int si476x_radio_probe(struct platform_device *pdev)
if (si476x_core_has_diversity(radio->core)) {
si476x_ctrls[SI476X_IDX_DIVERSITY_MODE].def =
si476x_phase_diversity_mode_to_idx(radio->core->diversity_mode);
si476x_radio_add_new_custom(radio, SI476X_IDX_DIVERSITY_MODE);
rval = si476x_radio_add_new_custom(radio, SI476X_IDX_DIVERSITY_MODE);
if (rval < 0)
goto exit;
si476x_radio_add_new_custom(radio, SI476X_IDX_INTERCHIP_LINK);
rval = si476x_radio_add_new_custom(radio, SI476X_IDX_INTERCHIP_LINK);
if (rval < 0)
goto exit;
}