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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-21 12:31:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-21 12:31:52 -0700
commit458f8c895beba63851281dcdac3773685f0fae09 (patch)
treedd5b7af8b221bc5755e8ce94b7145f6f0589cac4 /include
parent255f41c59558a346d65a2012420a7573e36dc584 (diff)
parent58d57658834faa0c19da35e84632f7b78846f69f (diff)
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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
Diffstat (limited to 'include')
-rw-r--r--include/linux/regulator/consumer.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 28c9fd020d3..ebd74726529 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)
{