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Re: [PATCH] hw/display/omap_lcdc: Fix potential NULL pointer dereference


From: Peter Maydell
Subject: Re: [PATCH] hw/display/omap_lcdc: Fix potential NULL pointer dereference
Date: Fri, 30 Oct 2020 14:29:49 +0000

On Fri, 30 Oct 2020 at 10:23, AlexChen <alex.chen@huawei.com> wrote:
>
> In omap_lcd_interrupts(), the pointer omap_lcd is dereferenced before
> being check if it is valid, which may lead to NULL pointer dereference.
> So move the assignment to surface after checking that the omap_lcd is valid.
>
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Alex Chen <alex.chen@huawei.com>
> ---
>  hw/display/omap_lcdc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)



Applied to target-arm.next, thanks.

-- PMM



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