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(228.69.205.77.rev.sfr.net. [77.205.69.228]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-385ccd3a410sm13343303f8f.46.2024.12.02.10.17.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Dec 2024 10:17:11 -0800 (PST) From: Bartosz Golaszewski To: Greg Kroah-Hartman , Rob Herring Cc: linux-kernel@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH] uio: uio_dmem_genirq: check the return value of devm_kasprintf() Date: Mon, 2 Dec 2024 19:17:03 +0100 Message-ID: <20241202181703.28546-1-brgl@bgdev.pl> X-Mailer: git-send-email 2.45.2 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: Bartosz Golaszewski devm_kasprintf() can fail so check its return value and bail-out on no memory. Fixes: 52e2dc2ce2d8 ("uio: Convert a few more users to using %pOFn instead = of device_node.name") Signed-off-by: Bartosz Golaszewski --- drivers/uio/uio_dmem_genirq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/uio/uio_dmem_genirq.c b/drivers/uio/uio_dmem_genirq.c index c70dd81bfc61f..31aa75110ba59 100644 --- a/drivers/uio/uio_dmem_genirq.c +++ b/drivers/uio/uio_dmem_genirq.c @@ -167,6 +167,8 @@ static int uio_dmem_genirq_probe(struct platform_device= *pdev) } uioinfo->name =3D devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOFn", pdev->dev.of_node); + if (!uioinfo->name) + return -ENOMEM; uioinfo->version =3D "devicetree"; } =20 --=20 2.45.2