From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxx>
---
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]);
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