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Tue, 10 Mar 2026 13:05:50 -0700 (PDT) From: Sanjay Chitroda X-Google-Original-From: Sanjay Chitroda 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 2/7] iio: ssp_sensors: simplify cleanup using __free Date: Wed, 11 Mar 2026 01:35:08 +0530 Message-Id: <20260310200513.2162018-3-sanjayembedded@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260310200513.2162018-1-sanjayembedded@gmail.com> References: <20260310200513.2162018-1-sanjayembedded@gmail.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- drivers/iio/common/ssp_sensors/ssp_spi.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/iio/common/ssp_sensors/ssp_spi.c b/drivers/iio/common/ssp_sensors/ssp_spi.c index 6c81c0385fb5..e76ef39c6b7c 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, char *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 = kmalloc(length, GFP_KERNEL | GFP_DMA); + char *buffer __free(kfree) = kmalloc(length, GFP_KERNEL | GFP_DMA); if (!buffer) { ret = -ENOMEM; goto _unlock; @@ -386,8 +385,6 @@ int ssp_irq_msg(struct ssp_data *data) if (ret >= 0) ret = -EPROTO; - kfree(buffer); - dev_err(SSP_DEV, "No match error %x\n", msg_options); @@ -420,20 +417,18 @@ int ssp_irq_msg(struct ssp_data *data) mutex_unlock(&data->pending_lock); break; case SSP_HUB2AP_WRITE: - buffer = kzalloc(length, GFP_KERNEL | GFP_DMA); + char *buffer __free(kfree) = kzalloc(length, GFP_KERNEL | GFP_DMA); if (!buffer) return -ENOMEM; ret = spi_read(data->spi, buffer, length); if (ret < 0) { dev_err(SSP_DEV, "spi read fail\n"); - kfree(buffer); break; } ret = ssp_parse_dataframe(data, buffer, length); - kfree(buffer); break; default: -- 2.34.1