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From: Axel Lin <axel.lin@ingics.com>
To: Mark Brown <broonie@kernel.org>
Cc: S Twiss <stwiss.opensource@diasemi.com>,
	Krystian Garbaciak <krystian.garbaciak@diasemi.com>,
	Support Opensource <support.opensource@diasemi.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	linux-kernel@vger.kernel.org, Axel Lin <axel.lin@ingics.com>
Subject: [PATCH 1/2] regulator: da9062: Check return value of devm_regmap_field_alloc calls
Date: Sat, 26 Jan 2019 23:22:33 +0800	[thread overview]
Message-ID: <20190126152234.3091-1-axel.lin@ingics.com> (raw)

Since devm_regmap_field_alloc can fail, add error checking for it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/regulator/da9062-regulator.c | 29 +++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c
index 34a70d9dc450..d06e9600fa18 100644
--- a/drivers/regulator/da9062-regulator.c
+++ b/drivers/regulator/da9062-regulator.c
@@ -1029,31 +1029,50 @@ static int da9062_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,
 					chip->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,
 					chip->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,
 					chip->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,
 					chip->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,
 					chip->regmap,
 					regl->info->ilimit);
+			if (IS_ERR(regl->ilimit))
+				return PTR_ERR(regl->ilimit);
+		}
 
 		/* Register regulator */
 		memset(&config, 0, sizeof(config));
-- 
2.17.1


             reply	other threads:[~2019-01-26 15:22 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-26 15:22 Axel Lin [this message]
2019-01-26 15:22 ` [PATCH 2/2] regulator: da9063: " Axel Lin

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