iio: frequency: ad9523: unlock on error in ad9523_reg_access()
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>
diff --git a/drivers/iio/frequency/ad9523.c b/drivers/iio/frequency/ad9523.c
index 7272924..832e6ab 100644
--- a/drivers/iio/frequency/ad9523.c
+++ b/drivers/iio/frequency/ad9523.c
@@ -731,10 +731,12 @@
} else {
ret = ad9523_read(indio_dev, reg | AD9523_R1B);
if (ret < 0)
- return ret;
+ goto out_unlock;
*readval = ret;
ret = 0;
}
+
+out_unlock:
mutex_unlock(&indio_dev->mlock);
return ret;