linux-kernel - Uninitialized Variable Use in video: fbdev: pm3fb

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Message-ID: <CABvMjLRE_Nxa1jC1o9uw_jsuAABdm+nE0ZNu-yh0hMzmfqEr_g@mail.gmail.com>
Date:   Tue, 8 Oct 2019 13:32:45 -0700
From:   Yizhuo Zhai <yzhai003@....edu>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Uninitialized Variable Use in video: fbdev: pm3fb

Hi All:

drivers/video/fbdev/pm3fb.c:

Inside function pm3fb_write_mode(),  variable "m" "n" "p" could leave
uninitialized after pm3fb_calculate_clock(), however, they are used
later in PM3_WRITE_DAC_REG, which is potentially unsafe.


-- 
Kind Regards,

Yizhuo Zhai

Computer Science, Graduate Student
University of California, Riverside