Messages in this thread Patch in this message | | | Subject | [PATCH v3] regulator: Fix _regulator_get_voltage if get_voltage callback is NULL | From | Axel Lin <> | Date | Mon, 23 May 2011 20:08:10 +0800 |
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In the case of get_voltage callback is NULL, current implementation in _regulator_get_voltage will return -EINVAL.
Also returns proper error if ret is negative value.
Signed-off-by: Axel Lin <axel.lin@gmail.com> --- drivers/regulator/core.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 9493f61..d3e3879 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1886,12 +1886,14 @@ static int _regulator_get_voltage(struct regulator_dev *rdev) if (sel < 0) return sel; ret = rdev->desc->ops->list_voltage(rdev, sel); - } - if (rdev->desc->ops->get_voltage) + } else if (rdev->desc->ops->get_voltage) { ret = rdev->desc->ops->get_voltage(rdev); - else + } else { return -EINVAL; + } + if (ret < 0) + return ret; return ret - rdev->constraints->uV_offset; } -- 1.7.1
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