[PATCH] mtd: physmap-core: Fix NULL pointer dereferencing in of_select_probe_type()

Miquel Raynal miquel.raynal at bootlin.com
Mon Sep 19 09:16:04 PDT 2022


On Wed, 2022-07-27 at 06:03:02 UTC, Zeng Jingxiang wrote:
> From: Zeng Jingxiang <linuszeng at tencent.com>
> 
> Coverity complains of a possible NULL dereference:
> 
> in of_select_probe_type():
> 1. returned_null: of_match_device() returns NULL.
> 2. var_assigned: match = NULL return value from of_match_device()
> 309	match = of_match_device(of_flash_match, &dev->dev);
> 
> 3.dereference: Dereferencing the NULL pointer match.
> 310	probe_type = match->data;
> 
> Signed-off-by: Zeng Jingxiang <linuszeng at tencent.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel



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