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authorAxel Lin <axel.lin@ingics.com>2019-01-26 23:22:34 +0800
committerMark Brown <broonie@kernel.org>2019-01-28 12:22:14 +0000
commit8459203940d0a46d26500f6d72ee041367ed9263 (patch)
treee632ea387cb660265e2e2e08b3ed266dbabafd0d /drivers/regulator
parent54129d641cac77b80f3c868a45cd776d783ca57b (diff)
regulator: da9063: Check return value of devm_regmap_field_alloc calls
Since devm_regmap_field_alloc can fail, add error checking for it. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/da9063-regulator.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c
index 8cbcd2a3eb20..85c45577bad1 100644
--- a/drivers/regulator/da9063-regulator.c
+++ b/drivers/regulator/da9063-regulator.c
@@ -835,21 +835,40 @@ static int da9063_regulator_probe(struct platform_device *pdev)
regl->desc.type = REGULATOR_VOLTAGE;
regl->desc.owner = THIS_MODULE;
- if (regl->info->mode.reg)
+ if (regl->info->mode.reg) {
regl->mode = devm_regmap_field_alloc(&pdev->dev,
da9063->regmap, regl->info->mode);
- if (regl->info->suspend.reg)
+ if (IS_ERR(regl->mode))
+ return PTR_ERR(regl->mode);
+ }
+
+ if (regl->info->suspend.reg) {
regl->suspend = devm_regmap_field_alloc(&pdev->dev,
da9063->regmap, regl->info->suspend);
- if (regl->info->sleep.reg)
+ if (IS_ERR(regl->suspend))
+ return PTR_ERR(regl->suspend);
+ }
+
+ if (regl->info->sleep.reg) {
regl->sleep = devm_regmap_field_alloc(&pdev->dev,
da9063->regmap, regl->info->sleep);
- if (regl->info->suspend_sleep.reg)
+ if (IS_ERR(regl->sleep))
+ return PTR_ERR(regl->sleep);
+ }
+
+ if (regl->info->suspend_sleep.reg) {
regl->suspend_sleep = devm_regmap_field_alloc(&pdev->dev,
da9063->regmap, regl->info->suspend_sleep);
- if (regl->info->ilimit.reg)
+ if (IS_ERR(regl->suspend_sleep))
+ return PTR_ERR(regl->suspend_sleep);
+ }
+
+ if (regl->info->ilimit.reg) {
regl->ilimit = devm_regmap_field_alloc(&pdev->dev,
da9063->regmap, regl->info->ilimit);
+ if (IS_ERR(regl->ilimit))
+ return PTR_ERR(regl->ilimit);
+ }
/* Register regulator */
memset(&config, 0, sizeof(config));