From nobody Tue Apr 7 01:05:26 2026 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CE34C3A4504; Tue, 17 Mar 2026 09:42:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773740554; cv=none; b=Jt0/aXCnMdoSm10Ubx0KcNgxs4PM5Kq51SDdF54nzapxYok7UQuV3kxwAKaX3Ufzi+d0guRvHelKDFlg/aG17Gh5Wym1tSHK/JpuYaBioF30+tsmPs/N0oqVpZ6hB3bsWuOyVtCKmDjjTQacgSiW/BpuMw01skdQ4p39pSAZu/Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773740554; c=relaxed/simple; bh=qcbstgk0xYi7kZJQ24nFZVWxlUGX+TeNrlSt5D85PHU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=SF3inu5jyaOspWPkQbJyuIOHs7yHjc8WwQcH9ffI8FAYYC+Jgsq9XDE+bMsDSXxWotwWI+dwd7kGwV0Sfea4rC8snYPfIh8QqqLXD6SNAzNJicvS7VB8WXlpZR6Xu+g4VlHuOVLwO+UCAT78RDyIjl9Gw2Xj2VH3pahTFqWDJw0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com; spf=pass smtp.mailfrom=renesas.com; arc=none smtp.client-ip=210.160.252.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=renesas.com X-CSE-ConnectionGUID: WkfJm974R3yyjLGICaEdpw== X-CSE-MsgGUID: vHzyGvQBQ7ieIMpAFmEnnQ== Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 17 Mar 2026 18:42:32 +0900 Received: from [127.0.1.1] (unknown [10.226.78.135]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id EC5124016D6A; Tue, 17 Mar 2026 18:42:29 +0900 (JST) From: Michael Dege Date: Tue, 17 Mar 2026 10:42:03 +0100 Subject: [PATCH net-next 10/13] net: renesas: rswitch: clean up is_rdev rswitch_device checking 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 Message-Id: <20260317-rswitch_add_vlans-v1-10-3a57bfa0f2d1@renesas.com> References: <20260317-rswitch_add_vlans-v1-0-3a57bfa0f2d1@renesas.com> In-Reply-To: <20260317-rswitch_add_vlans-v1-0-3a57bfa0f2d1@renesas.com> To: Yoshihiro Shimoda , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Dege X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773740518; l=2714; i=michael.dege@renesas.com; s=20251023; h=from:subject:message-id; bh=qcbstgk0xYi7kZJQ24nFZVWxlUGX+TeNrlSt5D85PHU=; b=lwQp+CLavALqlYCW2tmNpn9L05EKuAhDDpRqwqXn11NasaSlRJvjyKjYGDe1Ntc4FvHb9E7mH S0VftGPUOZLDyXksG4dA4QNVQXUM7LoeG8DmrEwTBrAqoSha+4i73p+ X-Developer-Key: i=michael.dege@renesas.com; a=ed25519; pk=gu1rwIcCrAxNMv2I8fIfiQvt51xzZwnQy4Ua/DscQt8= Add null pointer checking for ndev and remove unnecessay rswitch_port_check() wrapper function. Signed-off-by: Michael Dege --- drivers/net/ethernet/renesas/rswitch_l2.c | 15 +++++---------- drivers/net/ethernet/renesas/rswitch_main.c | 2 +- 2 files changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/renesas/rswitch_l2.c b/drivers/net/ethern= et/renesas/rswitch_l2.c index 21165ec56ce8..da8c04dd65e4 100644 --- a/drivers/net/ethernet/renesas/rswitch_l2.c +++ b/drivers/net/ethernet/renesas/rswitch_l2.c @@ -162,11 +162,6 @@ static void rswitch_update_offload_brdev(struct rswitc= h_private *priv) rswitch_update_l2_offload(priv); } =20 -static bool rswitch_port_check(const struct net_device *ndev) -{ - return is_rdev(ndev); -} - static void rswitch_port_update_brdev(struct net_device *ndev, struct net_device *brdev) { @@ -203,7 +198,7 @@ static int rswitch_netdevice_event(struct notifier_bloc= k *nb, struct netdev_notifier_changeupper_info *info; struct net_device *brdev; =20 - if (!rswitch_port_check(ndev)) + if (!is_rdev(ndev)) return NOTIFY_DONE; if (event !=3D NETDEV_CHANGEUPPER) return NOTIFY_DONE; @@ -258,12 +253,12 @@ static int rswitch_switchdev_event(struct notifier_bl= ock *nb, =20 if (event =3D=3D SWITCHDEV_PORT_ATTR_SET) { ret =3D switchdev_handle_port_attr_set(ndev, ptr, - rswitch_port_check, + is_rdev, rswitch_port_attr_set); return notifier_from_errno(ret); } =20 - if (!rswitch_port_check(ndev)) + if (!is_rdev(ndev)) return NOTIFY_DONE; =20 return notifier_from_errno(-EOPNOTSUPP); @@ -282,11 +277,11 @@ static int rswitch_switchdev_blocking_event(struct no= tifier_block *nb, return -EOPNOTSUPP; case SWITCHDEV_PORT_ATTR_SET: ret =3D switchdev_handle_port_attr_set(ndev, ptr, - rswitch_port_check, + is_rdev, rswitch_port_attr_set); break; default: - if (!rswitch_port_check(ndev)) + if (!is_rdev(ndev)) return NOTIFY_DONE; ret =3D -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/renesas/rswitch_main.c b/drivers/net/ethe= rnet/renesas/rswitch_main.c index d1be588fb625..da984027239c 100644 --- a/drivers/net/ethernet/renesas/rswitch_main.c +++ b/drivers/net/ethernet/renesas/rswitch_main.c @@ -1962,7 +1962,7 @@ static const struct net_device_ops rswitch_netdev_ops= =3D { =20 bool is_rdev(const struct net_device *ndev) { - return (ndev->netdev_ops =3D=3D &rswitch_netdev_ops); + return ndev && (ndev->netdev_ops =3D=3D &rswitch_netdev_ops); } =20 static int rswitch_get_ts_info(struct net_device *ndev, struct kernel_etht= ool_ts_info *info) --=20 2.43.0