From: Wei Yongjun yongjun_wei@trendmicro.com.cn
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 --- sound/soc/sti/uniperif_player.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index ee1c7c2..1ac2db2 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -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]);