diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2012-10-28 16:01:11 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-10-28 18:13:07 +0000 |
| commit | b2da55d9441cbdaf73c12403ed801b644d5ae5e3 (patch) | |
| tree | c8976cbd52aabcba45a51c898fe11672200cb97f /drivers/regulator/core.c | |
| parent | 6f0c0580b70c89094b3422ba81118c7b959c7556 (diff) | |
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: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 5c4829cba6a..aa4d28b5984 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -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 @@ scrub: 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); |