linux-kernel - RE: [PATCH] net: wireless: realtek/rtw89: Add check null return of kmalloc

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Message-ID: <4f5eee8cb4024571a9a78af97aecab67@realtek.com>
Date: Wed, 30 Oct 2024 00:35:56 +0000
From: Ping-Ke Shih <pkshih@...ltek.com>
To: Kalle Valo <kvalo@...nel.org>, Pei Xiao <xiaopei01@...inos.cn>
CC: "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "xiaopeitux@...mail.com" <xiaopeitux@...mail.com>,
        "xiongxin@...inos.cn"
	<xiongxin@...inos.cn>
Subject: RE: [PATCH] net: wireless: realtek/rtw89: Add check null return of kmalloc

Kalle Valo <kvalo@...nel.org> wrote:
> Pei Xiao <xiaopei01@...inos.cn> writes:
> 
> > kmalloc may fail, return might be NULL and will cause
> > NULL pointer dereference later.
> >
> > Signed-off-by: Pei Xiao <xiaopei01@...inos.cn>
> 
> We use 'wifi: rtw89:' in the title, please check the documentation below
> for more.
> 

A way to known subject prefix is to use git log with the files touched by
this patch:
   git log --oneline drivers/net/wireless/realtek/rtw89/coex.c

Also subject can point out specific function. Then my opinion is
  "wifi: rtw89: coex: check NULL return of kmalloc in btc_fw_set_monreg()"