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Sat, 21 Mar 2026 06:02:20 -0400 From: Antoniu Miclaus To: Antoniu Miclaus , Lars-Peter Clausen , Michael Hennerich , "Jonathan Cameron" , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Olivier Moysan , , , CC: Andy Shevchenko Subject: [PATCH v7 1/4] iio: backend: use __free(fwnode_handle) for automatic cleanup Date: Sat, 21 Mar 2026 12:01:51 +0200 Message-ID: <20260321100154.1258-2-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260321100154.1258-1-antoniu.miclaus@analog.com> References: <20260321100154.1258-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzIxMDA4MSBTYWx0ZWRfX84UjF1iwN1eB hZUjiIsv/UFs8ej/8MlpVMraW1pWG9azO1RlmHlB6JJfqcse8naU5Rp57Xq17AQ3jFiOhiIdrte P8hqrDazkYRMlk//ftmorrPUcAwBUHXlyJFYiu89GyfwnHApZX0IBeCfzXOFhsaRWS1FtDruIRL O/afvgcQQqHpGZqfs1OStQBL0iDkCM6FyVaHDL3DK/WvTpQS3lGdTM89wHUfyII8wCB2XU5ArVY rYfH2JZ5AJ8WrEFJy3PRvxGjcNgu6pMEedX1EIytiW+cqiLwYTTGE6yg67pLDfOcc9/DfoCVoFk Iq5gEaKKyqgso+S1EKEEsD4/2Ia7gBk29qUeJd/8sy8OPZj9IJhbjE5vAkWa48+e1Y2aL440j0k OVky5DTOdOCGfZ3g6UNGdKE2o+EzxUwOugMwnBX9hDV4G+wBjx+KnbO7mFf393FDBG/Vl/Yg1QZ uCqB29I6jx6+o18Mv+A== X-Authority-Analysis: v=2.4 cv=edIwvrEH c=1 sm=1 tr=0 ts=69be6cb5 cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=0sLvza09kfJOxVLZPwjg:22 a=Z0pTeXoby7EwIRygza74:22 a=QyXUC8HyAAAA:8 a=gAnH3GRIAAAA:8 a=gz9ygkcBebfFgqQ7jsUA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-ORIG-GUID: Om_C4U5dVwlZC4o_8xA37zDwoZKAqBXV X-Proofpoint-GUID: Om_C4U5dVwlZC4o_8xA37zDwoZKAqBXV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-21_03,2026-03-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 adultscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603210081 Convert __devm_iio_backend_fwnode_get() to use the __free(fwnode_handle) cleanup attribute for the fwnode_back variable, removing the need for manual fwnode_handle_put() calls. Move the declaration closer to its first use, narrowing its scope. No functional change. Reviewed-by: Andy Shevchenko Reviewed-by: Nuno S=C3=A1 Signed-off-by: Antoniu Miclaus --- Changes in v7: - No changes drivers/iio/industrialio-backend.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-= backend.c index 447b694d6d5f..58f7e1426095 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -952,7 +952,6 @@ EXPORT_SYMBOL_NS_GPL(iio_backend_data_transfer_addr, "I= IO_BACKEND"); static struct iio_backend *__devm_iio_backend_fwnode_get(struct device *de= v, const char *name, struct fwnode_handle *fwnode) { - struct fwnode_handle *fwnode_back; struct iio_backend *back; unsigned int index; int ret; @@ -967,7 +966,8 @@ static struct iio_backend *__devm_iio_backend_fwnode_ge= t(struct device *dev, con index =3D 0; } =20 - fwnode_back =3D fwnode_find_reference(fwnode, "io-backends", index); + struct fwnode_handle *fwnode_back __free(fwnode_handle) =3D + fwnode_find_reference(fwnode, "io-backends", index); if (IS_ERR(fwnode_back)) return dev_err_cast_probe(dev, fwnode_back, "Cannot get Firmware reference\n"); @@ -977,7 +977,6 @@ static struct iio_backend *__devm_iio_backend_fwnode_ge= t(struct device *dev, con if (!device_match_fwnode(back->dev, fwnode_back)) continue; =20 - fwnode_handle_put(fwnode_back); ret =3D __devm_iio_backend_get(dev, back); if (ret) return ERR_PTR(ret); @@ -988,7 +987,6 @@ static struct iio_backend *__devm_iio_backend_fwnode_ge= t(struct device *dev, con return back; } =20 - fwnode_handle_put(fwnode_back); return ERR_PTR(-EPROBE_DEFER); } =20 --=20 2.43.0