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Commit b2da55d9 authored by Andrew Lunn's avatar Andrew Lunn Committed by Mark Brown
Browse files

Regulator: core: Unregister when gpio request fails. 



If the gpio_request_one() fails, or returns EPROBE_DEFER, the
regulator must be device_unregister()ed. When this is not done,
there are WARNING: from sysfs:

WARNING: at fs/sysfs/file.c:343 sysfs_open_file+0x238/0x268()

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 6f0c0580

drivers/regulator/core.c

+2 −1
Original line number Diff line number Diff line
@@ -3365,7 +3365,7 @@ regulator_register(const struct regulator_desc *regulator_desc, 
		if (ret != 0) {

			rdev_err(rdev, "Failed to request enable GPIO%d: %d\n",

				 config->ena_gpio, ret);

			goto clean;

			goto wash;

		}



		rdev->ena_gpio = config->ena_gpio;
@@ -3449,6 +3449,7 @@ regulator_register(const struct regulator_desc *regulator_desc, 
	if (rdev->ena_gpio)

		gpio_free(rdev->ena_gpio);

	kfree(rdev->constraints);

wash:

	device_unregister(&rdev->dev);

	/* device core frees rdev */

	rdev = ERR_PTR(ret);