linux-kernel - Re: [PATCH] erofs: fix a potential NULL dereference of alloc

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Message-ID: <tencent_A9204DCC4AB98B1CA0144FE1794AD8FFD708@qq.com>
Date:   Tue, 22 Mar 2022 16:44:02 +0800
From:   "Xiaoke Wang" <xkernel.wang@...mail.com>
To:     "hsiangkao" <hsiangkao@...ux.alibaba.com>
Cc:     "xiang" <xiang@...nel.org>,
        "chao" <chao@...nel.org>,
        "linux-erofs" <linux-erofs@...ts.ozlabs.org>,
        "linux-kernel" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] erofs: fix a potential NULL dereference of alloc_pages()

On Tue, 22 Mar 2022 16:28:09 +0800, hsiangkao@...ux.alibaba.com wrote:

&gt; It's really a nofail allocation, am I missing something?

Sorry, I did not carefully notice the flag `__GFP_NOFAIL`.
Please ignore this patch if this does not need to deal with failure.

Regards,
Xiaoke Wang