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Date: Tue, 29 Mar 2022 09:12:10 +0000 From: zhengyongjun <zhengyongjun3@...wei.com> To: Paolo Abeni <pabeni@...hat.com>, "andrew@...n.ch" <andrew@...n.ch>, "vivien.didelot@...il.com" <vivien.didelot@...il.com>, "f.fainelli@...il.com" <f.fainelli@...il.com>, "davem@...emloft.net" <davem@...emloft.net>, "kuba@...nel.org" <kuba@...nel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> CC: "vladimir.oltean@....com" <vladimir.oltean@....com>, "claudiu.manoil@....com" <claudiu.manoil@....com>, "alexandre.belloni@...tlin.com" <alexandre.belloni@...tlin.com>, "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com> Subject: 答复: [PATCH] net: dsa: felix: fix possible NULL pointer dereference Thanks for point out my mistake :) -----邮件原件----- 发件人: Paolo Abeni [mailto:pabeni@...hat.com] 发送时间: 2022年3月29日 17:00 收件人: zhengyongjun <zhengyongjun3@...wei.com>; andrew@...n.ch; vivien.didelot@...il.com; f.fainelli@...il.com; davem@...emloft.net; kuba@...nel.org; netdev@...r.kernel.org; linux-kernel@...r.kernel.org 抄送: vladimir.oltean@....com; claudiu.manoil@....com; alexandre.belloni@...tlin.com; UNGLinuxDriver@...rochip.com 主题: Re: [PATCH] net: dsa: felix: fix possible NULL pointer dereference Hello, On Tue, 2022-03-29 at 08:12 +0000, Zheng Yongjun wrote: > As the possible failure of the allocation, kzalloc() may return NULL > pointer. > Therefore, it should be better to check the 'sgi' in order to prevent > the dereference of NULL pointer. > > Fixes: 23ae3a7877718 ("net: dsa: felix: add stream gate settings for psfpq"). It looks like the fixes tag has been corrupted (trailing 'q'). Would you mind posting a v2 with that fixed ? Thanks, Paolo
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