From: Sanjay Chitroda <sanjayembeddedse@gmail•com>
To: jic23@kernel•org, m.tretter@pengutronix•de, mchehab@kernel•org,
p.zabel@pengutronix•de, tiffany.lin@mediatek•com,
andrew-ct.chen@mediatek•com, yunfei.dong@mediatek•com,
matthias.bgg@gmail•com, angelogioacchino.delregno@collabora•com,
johan@kernel•org, elder@kernel•org, gregkh@linuxfoundation•org,
pure.logic@nexus-software•ie
Cc: dlechner@baylibre•com, nuno.sa@analog•com, andy@kernel•org,
kernel@pengutronix•de, kees@kernel•org,
nabijaczleweli@nabijaczleweli•xyz, marcelo.schmitt1@gmail•com,
maudspierings@gocontroll•com, hverkuil+cisco@kernel•org,
ribalda@chromium•org, straube.linux@gmail•com,
dan.carpenter@linaro•org, lukagejak5@gmail•com,
ethantidmore06@gmail•com, samasth.norway.ananda@oracle•com,
karanja99erick@gmail•com, s9430939@naver•com, tglx@kernel•org,
mingo@kernel•org, sun.jian.kdev@gmail•com, weibu@redadmin•org,
linux-iio@vger•kernel.org, linux-kernel@vger•kernel.org,
linux-media@vger•kernel.org,
linux-arm-kernel@lists•infradead.org,
linux-mediatek@lists•infradead.org, greybus-dev@lists•linaro.org,
linux-staging@lists•linux.dev, sanjayembeddedse@gmail•com,
skhan@linuxfoundation•org
Subject: [PATCH 3/7] iio: st_sensors: simplify cleanup using __free
Date: Wed, 11 Mar 2026 01:35:09 +0530 [thread overview]
Message-ID: <20260310200513.2162018-4-sanjayembedded@gmail.com> (raw)
In-Reply-To: <20260310200513.2162018-1-sanjayembedded@gmail.com>
From: Sanjay Chitroda <sanjayembeddedse@gmail•com>
Replace manual cleanup logic with __free attribute from cleanup.h. This
removes explicit kfree() calls and simplifies the error handling paths.
No functional change intended for kmalloc().
Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail•com>
---
drivers/iio/common/st_sensors/st_sensors_core.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index dac593be5695..f641b62e692b 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -501,14 +501,14 @@ static int st_sensors_read_axis_data(struct iio_dev *indio_dev,
byte_for_channel = DIV_ROUND_UP(ch->scan_type.realbits +
ch->scan_type.shift, 8);
- outdata = kmalloc(byte_for_channel, GFP_DMA | GFP_KERNEL);
+ u8 *outdata __free(kfree) = kmalloc(byte_for_channel, GFP_DMA | GFP_KERNEL);
if (!outdata)
return -ENOMEM;
err = regmap_bulk_read(sdata->regmap, ch->address,
outdata, byte_for_channel);
if (err < 0)
- goto st_sensors_free_memory;
+ return err;
if (byte_for_channel == 1)
*data = (s8)*outdata;
@@ -517,9 +517,6 @@ static int st_sensors_read_axis_data(struct iio_dev *indio_dev,
else if (byte_for_channel == 3)
*data = (s32)sign_extend32(get_unaligned_le24(outdata), 23);
-st_sensors_free_memory:
- kfree(outdata);
-
return err;
}
--
2.34.1
next prev parent reply other threads:[~2026-03-10 20:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-10 20:05 [PATCH 0/7] drivers: Simplify cleanup paths using __free Sanjay Chitroda
2026-03-10 20:05 ` [PATCH 1/7] staging: greybus: simplify cleanup " Sanjay Chitroda
2026-03-10 21:07 ` Andy Shevchenko
2026-03-11 6:51 ` Dan Carpenter
2026-03-11 7:06 ` Greg KH
2026-03-10 20:05 ` [PATCH 2/7] iio: ssp_sensors: " Sanjay Chitroda
2026-03-10 21:11 ` Andy Shevchenko
2026-03-10 20:05 ` Sanjay Chitroda [this message]
2026-03-11 0:04 ` [PATCH 3/7] iio: st_sensors: " David Lechner
2026-03-10 20:05 ` [PATCH 4/7] media: mediatek: vcodec: " Sanjay Chitroda
2026-03-19 21:08 ` Nicolas Dufresne
2026-03-10 20:05 ` [PATCH 5/7] media: chips-media: coda: " Sanjay Chitroda
2026-03-10 20:05 ` [PATCH 6/7] media: allegro: " Sanjay Chitroda
2026-03-10 20:05 ` [PATCH 7/7] staging: rtl8723bs: " Sanjay Chitroda
2026-03-10 21:42 ` Andrew Lunn
2026-03-11 6:45 ` Greg KH
2026-03-10 21:04 ` [PATCH 0/7] drivers: Simplify cleanup paths " Andy Shevchenko
2026-03-10 21:52 ` David Lechner
2026-03-11 1:57 ` Sanjay Chitroda
2026-03-11 5:42 ` Luka Gejak
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