From nobody Mon Feb 9 14:38:45 2026 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.2]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F217F75809; Wed, 19 Feb 2025 02:28:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.2 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739932107; cv=none; b=tKWCbgt1jcziIUcdT8Az1Fdjq6/vyxaAFGSzqUtcEgxFuBhBl9kw7xk6Kwz9OvL3NXApEMHY7WQElfsasqMwSNO9GFPhC3UXRk0lLnS4/0m4XxNGEDyBjXV+6edkidJrOlRC6ZxOQ6iaC0/MYIfA5pIdrcwekKCVvjOSoK61GS8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739932107; c=relaxed/simple; bh=x3wgYhUEHOmTFdi4Hi55oiZkM96y7Ebn0iiO+1hPLuk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=pYMPbQiX9+KF6it/Fmi4rIi9Vt+6dcVVn/JUbTfmaASkDVcSOxrgLqMQc6r4z60kze6J1PPwNwx5gGsn8NnNWltgMKHYqn9AutmAQ1I9R7FlPXE4Wfw6R9gUu6yUIMwSwYlyuN2Hyl1+eQ1+4UYn/iN1FY5wTRF6JeM9zH9qUSI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=PHNDyjnd; arc=none smtp.client-ip=117.135.210.2 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="PHNDyjnd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=pBo7j VQRivz/W0NAO7F9WDyk65URdq4LaTmV4fZDwVs=; b=PHNDyjndKXmYGNLQsejRZ R+klePIrybvIWqxdDoaDgeJUq9xi1WqPnexEfAdDHCK5sS8fowJEbNhIHatSATzv 1snLX1whBPFJW4AUTuKmKlaCmAc6hhgtcf6FwQ3EGyTGPJnt1OZztZ4Ax+Dy4VlM XeXSK6ylW6Kt/WtL2/PLXk= Received: from icess-ProLiant-DL380-Gen10.. (unknown []) by gzga-smtp-mtada-g1-1 (Coremail) with SMTP id _____wBXuRirQbVnzi3zNA--.11732S4; Wed, 19 Feb 2025 10:27:56 +0800 (CST) From: Haoxiang Li To: jassisinghbrar@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, brgl@bgdev.pl Cc: linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] mailbox: tegra-hsp: Add check for devm_kstrdup_const() Date: Wed, 19 Feb 2025 10:27:53 +0800 Message-Id: <20250219022753.2589753-1-haoxiang_li2024@163.com> X-Mailer: git-send-email 2.25.1 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 X-CM-TRANSID: _____wBXuRirQbVnzi3zNA--.11732S4 X-Coremail-Antispam: 1Uf129KBjvdXoW7JF15uw47tw1xXFWDGFW7urg_yoW3Kwc_Ca 15XFyrJrWUArWF9wn0ya4IvryIgw15WFyv934Dtrs3W34UXF12qry5Zrs09rWkuayDAa4D u3Z8Xr4kXr9xWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRZ8n53UUUUU== X-CM-SenderInfo: xkdr5xpdqjszblsqjki6rwjhhfrp/xtbBkA-4bme1QKQhPwAAsh Content-Type: text/plain; charset="utf-8" Add check for the return value of devm_kstrdup_const() in tegra_hsp_doorbell_create() to catch potential exception. Fixes: a54d03ed01b4 ("mailbox: tegra-hsp: use devm_kstrdup_const()") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- drivers/mailbox/tegra-hsp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c index c1981f091bd1..773a1cf6d93d 100644 --- a/drivers/mailbox/tegra-hsp.c +++ b/drivers/mailbox/tegra-hsp.c @@ -285,6 +285,8 @@ tegra_hsp_doorbell_create(struct tegra_hsp *hsp, const = char *name, db->channel.hsp =3D hsp; =20 db->name =3D devm_kstrdup_const(hsp->dev, name, GFP_KERNEL); + if (!db->name) + return ERR_PTR(-ENOMEM); db->master =3D master; db->index =3D index; =20 --=20 2.25.1