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iio: adc: at91: call input_free_device() on allocated iio_dev

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commit de6a73bad1743e9e81ea5a24c178c67429ff510b upstream.

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: 84882b0603 ("iio: adc: at91_adc: Add support for touchscreens without TSMR")
Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
Link: https://patch.msgid.link/20241207043045.1255409-1-joe@pf.is.s.u-tokyo.ac.jp
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Joe Hattori
2024-12-07 13:30:45 +09:00
committed by Greg Kroah-Hartman
parent 26016d08c4
commit 25ef52f1c1
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/at91_adc.c
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@@ -985,7 +985,7 @@ static int at91_ts_register(struct iio_dev *idev,
return ret;
err:
input_free_device(st->ts_input);
input_free_device(input);
return ret;
}