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iio: sx9500: rework error handling of raw readings

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Fix error handling so that we can power the chip down even if a raw read
fails.

Reported-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Vlad Dogaru 2015-06-30 14:20:58 +03:00 committed by Jonathan Cameron
parent 2616dfa1d3
commit 657c7ff56f
1 changed files with 10 additions and 8 deletions
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18
drivers/iio/proximity/sx9500.c
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@ -329,20 +329,20 @@ static int sx9500_read_proximity(struct sx9500_data *data,
else
ret = sx9500_wait_for_sample(data);
if (ret < 0)
return ret;
mutex_lock(&data->mutex);
if (ret < 0)
goto out_dec_data_rdy;
ret = sx9500_read_prox_data(data, chan, val);
if (ret < 0)
goto out;
ret = sx9500_dec_chan_users(data, chan->channel);
if (ret < 0)
goto out;
goto out_dec_data_rdy;
ret = sx9500_dec_data_rdy_users(data);
if (ret < 0)
goto out_dec_chan;
ret = sx9500_dec_chan_users(data, chan->channel);
if (ret < 0)
goto out;
@ -350,6 +350,8 @@ static int sx9500_read_proximity(struct sx9500_data *data,
goto out;
out_dec_data_rdy:
sx9500_dec_data_rdy_users(data);
out_dec_chan:
sx9500_dec_chan_users(data, chan->channel);
out: