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Wed, 11 Mar 2026 10:41:57 -0700 (PDT) Received: from hu-ckantibh-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2aeae222dddsm40794985ad.19.2026.03.11.10.41.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Mar 2026 10:41:57 -0700 (PDT) From: Sanjay Chitroda X-Google-Original-From: Sanjay Chitroda To: jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org Cc: kees@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, sanjayembeddedse@gmail.com Subject: [PATCH v2] iio: ssp_sensors: simplify cleanup using __free Date: Wed, 11 Mar 2026 23:11:51 +0530 Message-Id: <20260311174151.3441429-1-sanjayembedded@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Sanjay Chitroda 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 --- Changes in v2: - split series to individual patch - address review comment from Andy Shevchenko - Link to v1 https://lore.kernel.org/all/20260310200513.2162018-3-sanjayemb= edded@gmail.com/ --- drivers/iio/common/ssp_sensors/ssp_spi.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/iio/common/ssp_sensors/ssp_spi.c b/drivers/iio/common/= ssp_sensors/ssp_spi.c index 6c81c0385fb5..4320061475e0 100644 --- a/drivers/iio/common/ssp_sensors/ssp_spi.c +++ b/drivers/iio/common/ssp_sensors/ssp_spi.c @@ -331,7 +331,6 @@ static int ssp_parse_dataframe(struct ssp_data *data, c= har *dataframe, int len) /* threaded irq */ int ssp_irq_msg(struct ssp_data *data) { - char *buffer; u8 msg_type; int ret; u16 length, msg_options; @@ -375,7 +374,7 @@ int ssp_irq_msg(struct ssp_data *data) * but the slave should not send such ones - it is to * check but let's handle this */ - buffer =3D kmalloc(length, GFP_KERNEL | GFP_DMA); + char *buffer __free(kfree) =3D kmalloc(length, GFP_KERNEL | GFP_DMA); if (!buffer) { ret =3D -ENOMEM; goto _unlock; @@ -386,8 +385,6 @@ int ssp_irq_msg(struct ssp_data *data) if (ret >=3D 0) ret =3D -EPROTO; =20 - kfree(buffer); - dev_err(SSP_DEV, "No match error %x\n", msg_options); =20 @@ -420,22 +417,17 @@ int ssp_irq_msg(struct ssp_data *data) mutex_unlock(&data->pending_lock); break; case SSP_HUB2AP_WRITE: - buffer =3D kzalloc(length, GFP_KERNEL | GFP_DMA); + char *buffer __free(kfree) =3D kzalloc(length, GFP_KERNEL | GFP_DMA); if (!buffer) return -ENOMEM; =20 ret =3D spi_read(data->spi, buffer, length); if (ret < 0) { dev_err(SSP_DEV, "spi read fail\n"); - kfree(buffer); break; } =20 - ret =3D ssp_parse_dataframe(data, buffer, length); - - kfree(buffer); - break; - + return ssp_parse_dataframe(data, buffer, length); default: dev_err(SSP_DEV, "unknown msg type\n"); return -EPROTO; --=20 2.34.1