[PATCH] iio: adc: at91: call input_free_device() on allocated iio_dev

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Current implementation of at91_ts_register() calls input_free_deivce()
on st->ts_input, however, the err label can be reached before the
allocated iio_dev is stored to st->ts_input. Thus call
input_free_device() on input instead of st->ts_input.

Fixes: 84882b060301 ("iio: adc: at91_adc: Add support for touchscreens without TSMR")
Signed-off-by: Joe Hattori <joe@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/iio/adc/at91_adc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index a3f0a2321666..5927756b749a 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -979,7 +979,7 @@ static int at91_ts_register(struct iio_dev *idev,
 	return ret;
 
 err:
-	input_free_device(st->ts_input);
+	input_free_device(input);
 	return ret;
 }
 
-- 
2.34.1





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