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Wed, 8 May 2024 20:12:58 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Wed, 8 May 2024 20:12:58 -0700 Received: from maili.marvell.com (unknown [10.28.36.165]) by maili.marvell.com (Postfix) with SMTP id EC58F5B6D03; Wed, 8 May 2024 20:12:54 -0700 (PDT) Date: Thu, 9 May 2024 08:42:53 +0530 From: Ratheesh Kannoth To: Duoming Zhou CC: , , , , , , , , Subject: Re: [PATCH net v6 1/3] ax25: Use kernel universal linked list to implement ax25_dev_list Message-ID: <20240509031253.GA1077013@maili.marvell.com> References: 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="us-ascii" Content-Disposition: inline In-Reply-To: X-Proofpoint-GUID: l2QN4S6jGK8w_e9CzPGmE2I-1-2mgNaB X-Proofpoint-ORIG-GUID: l2QN4S6jGK8w_e9CzPGmE2I-1-2mgNaB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-08_10,2024-05-08_01,2023-05-22_02 On 2024-05-09 at 07:26:12, Duoming Zhou (duoming@zju.edu.cn) wrote: > if (ax25cmp(addr, (const ax25_address *)ax25_dev->dev->dev_addr) == 0) { > res = ax25_dev; > ax25_dev_hold(ax25_dev); > @@ -52,6 +53,9 @@ void ax25_dev_device_up(struct net_device *dev) > { > ax25_dev *ax25_dev; > > + /* Initialized the list for the first entry */ > + if (!ax25_dev_list.next) will there be any case where this condition is true ? LIST_HEAD() or list_del() will never make this condition true. > + INIT_LIST_HEAD(&ax25_dev_list); > ax25_dev = kzalloc(sizeof(*ax25_dev), GFP_KERNEL); >