From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Alexandru Ardelean <alexandru.ardelean@analog.com>,
Mark Brown <broonie@kernel.org>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
kernel test robot <lkp@intel.com>,
kernel@pengutronix.de, linux-kernel@vger.kernel.org,
linux-input@vger.kernel.org, linux-spi@vger.kernel.org,
David Jander <david@protonic.nl>
Subject: [PATCH v1] Input: ads7846: ads7846_get_value - fix unaligned pointer value warning
Date: Wed, 7 Jul 2021 14:41:15 +0200 [thread overview]
Message-ID: <20210707124115.20028-1-o.rempel@pengutronix.de> (raw)
Fix warning reported by the kernel test robot:
drivers/input/touchscreen/ads7846.c:705:24: warning: taking address
of packed member 'data' of class or structure 'ads7846_buf' may result
in an unaligned pointer value [-Waddress-of-packed-member]
Fixes: 6965eece2a89 ("Input: ads7846 - convert to one message")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
drivers/input/touchscreen/ads7846.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index adb4c2230c31..1987dedac94f 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -702,7 +702,7 @@ static int ads7846_get_value(struct ads7846_buf *buf)
{
int value;
- value = be16_to_cpup(&buf->data);
+ value = get_unaligned_be16(&buf->data);
/* enforce ADC output is 12 bits width */
return (value >> 3) & 0xfff;
--
2.30.2
next reply other threads:[~2021-07-07 12:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-07 12:41 Oleksij Rempel [this message]
2021-09-10 5:04 ` [PATCH v1] Input: ads7846: ads7846_get_value - fix unaligned pointer value warning Dmitry Torokhov
2021-09-10 7:51 ` Oleksij Rempel
2021-10-17 4:23 ` Dmitry Torokhov
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