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iio: frequency: ad9523: unlock on error in ad9523_reg_access()

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There was a return path which got missed accidentally.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2012-06-08 09:54:03 +03:00
committed by Greg Kroah-Hartman
parent 03afcf4727
commit 17c88eb6a0
1 changed files with 3 additions and 1 deletions
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4
drivers/iio/frequency/ad9523.c
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@@ -731,10 +731,12 @@ static int ad9523_reg_access(struct iio_dev *indio_dev,
} else { } else {
ret = ad9523_read(indio_dev, reg | AD9523_R1B); ret = ad9523_read(indio_dev, reg | AD9523_R1B);
if (ret < 0) if (ret < 0)
return ret; goto out_unlock;
*readval = ret; *readval = ret;
ret = 0; ret = 0;
} }
out_unlock:
mutex_unlock(&indio_dev->mlock); mutex_unlock(&indio_dev->mlock);
return ret; return ret;