Received-SPF: pass (google.com: domain of linux-kernel+bounces-29722-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249;
From: Kunwu Chan <chentao@kylinos.cn>
To: nm@ti.com,
	ssantosh@kernel.org,
	ulf.hansson@linaro.org
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-pm@vger.kernel.org,
	Kunwu Chan <chentao@kylinos.cn>
Subject: [PATCH] pmdomain: Add a null pointer check to the omap_prm_domain_init
Date: Thu, 18 Jan 2024 13:42:57 +0800
Message-Id: <20240118054257.200814-1-chentao@kylinos.cn>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable

devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
---
 drivers/pmdomain/ti/omap_prm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pmdomain/ti/omap_prm.c b/drivers/pmdomain/ti/omap_pr=
m.c
index c2feae3a634c..b8ceb3c2b81c 100644
--- a/drivers/pmdomain/ti/omap_prm.c
+++ b/drivers/pmdomain/ti/omap_prm.c
@@ -695,6 +695,8 @@ static int omap_prm_domain_init(struct device *dev, s=
truct omap_prm *prm)
 	data =3D prm->data;
 	name =3D devm_kasprintf(dev, GFP_KERNEL, "prm_%s",
 			      data->name);
+	if (!name)
+		return -ENOMEM;
=20
 	prmd->dev =3D dev;
 	prmd->prm =3D prm;
--=20
2.39.2