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ASoC: sti: fix return value check in uni_player_parse_dt_audio_glue()

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In case of error, the function syscon_regmap_lookup_by_phandle() returns
ERR_PTR() and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Wei Yongjun 2016-06-13 14:39:57 +00:00 committed by Mark Brown
parent 05c1b4480e
commit 7d267ddfd5
1 changed files with 2 additions and 2 deletions
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4
sound/soc/sti/uniperif_player.c
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@ -1029,9 +1029,9 @@ static int uni_player_parse_dt_audio_glue(struct platform_device *pdev,
regmap = syscon_regmap_lookup_by_phandle(node, "st,syscfg");
if (!regmap) {
if (IS_ERR(regmap)) {
dev_err(&pdev->dev, "sti-audio-clk-glue syscf not found\n");
return -EINVAL;
return PTR_ERR(regmap);
}
player->clk_sel = regmap_field_alloc(regmap, regfield[0]);