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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-21 12:31:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-21 12:31:52 -0700 |
| commit | 458f8c895beba63851281dcdac3773685f0fae09 (patch) | |
| tree | dd5b7af8b221bc5755e8ce94b7145f6f0589cac4 | |
| parent | 255f41c59558a346d65a2012420a7573e36dc584 (diff) | |
| parent | 58d57658834faa0c19da35e84632f7b78846f69f (diff) | |
| download | linux-stable-458f8c895beba63851281dcdac3773685f0fae09.tar.gz linux-stable-458f8c895beba63851281dcdac3773685f0fae09.tar.bz2 linux-stable-458f8c895beba63851281dcdac3773685f0fae09.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6:
mc13783-regulator: fix a memory leak in mc13783_regulator_remove
regulator: Let drivers know when they use the stub API
| -rw-r--r-- | drivers/regulator/mc13783-regulator.c | 3 | ||||
| -rw-r--r-- | include/linux/regulator/consumer.h | 8 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c index a681f5e8f786..ad036dd8da13 100644 --- a/drivers/regulator/mc13783-regulator.c +++ b/drivers/regulator/mc13783-regulator.c @@ -618,9 +618,12 @@ static int __devexit mc13783_regulator_remove(struct platform_device *pdev) dev_get_platdata(&pdev->dev); int i; + platform_set_drvdata(pdev, NULL); + for (i = 0; i < pdata->num_regulators; i++) regulator_unregister(priv->regulators[i]); + kfree(priv); return 0; } diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 28c9fd020d39..ebd747265294 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -183,9 +183,13 @@ static inline struct regulator *__must_check regulator_get(struct device *dev, { /* Nothing except the stubbed out regulator API should be * looking at the value except to check if it is an error - * value so the actual return value doesn't matter. + * value. Drivers are free to handle NULL specifically by + * skipping all regulator API calls, but they don't have to. + * Drivers which don't, should make sure they properly handle + * corner cases of the API, such as regulator_get_voltage() + * returning 0. */ - return (struct regulator *)id; + return NULL; } static inline void regulator_put(struct regulator *regulator) { |