linux-kernel - Potential NULL pointer deference in SFI

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Message-ID: <CABvMjLTNw4YNoc66ERZv4NT+2Dm=jMRg9qV45nbnkKyAZ8-y4w@mail.gmail.com>
Date:   Mon, 7 Oct 2019 13:45:11 -0700
From:   Yizhuo Zhai <yzhai003@....edu>
To:     Len Brown <lenb@...nel.org>, sfi-devel@...plefirmware.org,
        linux-kernel@...r.kernel.org, Zhiyun Qian <zhiyunq@...ucr.edu>,
        Chengyu Song <csong@...ucr.edu>
Subject: Potential NULL pointer deference in SFI

Hi All:

drivers/sfi/sfi_core.c:

Inside function sfi_map_table(), sfi_map_memory() could return NULL,
however, the return value of sfi_map_memory() is not checked and get
used. This could potentially be unsafe.

-- 
Kind Regards,

Yizhuo Zhai

Computer Science, Graduate Student
University of California, Riverside