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| author | Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> | 2014-06-16 20:00:00 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2014-06-16 20:57:36 +0100 |
| commit | 88f6da779a37a3579e580296776ba86d6c6bd980 (patch) | |
| tree | 04a5b42f213d57db90743d1898d23ff62ab39396 /drivers/iio/accel/kxcjk-1013.c | |
| parent | d14c0f10e71c174cc312fb77832450bd02171be5 (diff) | |
| download | linux-stable-88f6da779a37a3579e580296776ba86d6c6bd980.tar.gz linux-stable-88f6da779a37a3579e580296776ba86d6c6bd980.tar.bz2 linux-stable-88f6da779a37a3579e580296776ba86d6c6bd980.zip | |
iio: accel: kxcjk1013 Fix missing unlock errors
Fix unlock at two places. One when i2c error occurs and other
when trigger set state when raw read is in progress.
kbuild test robot errors:
>> >> drivers/iio/accel/kxcjk-1013.c:531:3-9: preceding lock on line 524
>> >> drivers/iio/accel/kxcjk-1013.c:376:4-10: preceding lock on line 368
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/accel/kxcjk-1013.c')
| -rw-r--r-- | drivers/iio/accel/kxcjk-1013.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 2326e430c999..72a6dbbc18d1 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -372,8 +372,10 @@ static int kxcjk1013_read_raw(struct iio_dev *indio_dev, int sleep_val; ret = kxcjk1013_set_mode(data, OPERATION); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&data->mutex); return ret; + } ++data->power_state; sleep_val = kxcjk1013_get_startup_times(data); if (sleep_val < 20000) @@ -527,8 +529,10 @@ static int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig, kxcjk1013_set_mode(data, OPERATION); ++data->power_state; } else { - if (--data->power_state) + if (--data->power_state) { + mutex_unlock(&data->mutex); return 0; + } kxcjk1013_chip_setup_interrupt(data, false); kxcjk1013_set_mode(data, STANDBY); } |