[PATCH 0/2] of: overlay: avoid potential null pointer exception

[Sascha Hauer]

On Mon, Sep 05, 2022 at 12:07:15PM +0200, Michael Riesch wrote:
> Hi all,
> 
> The function of_overlay_fix_path returns NULL in certain error cases but
> of_overlay_apply_symbols (which is the only caller) does not check the
> return value. For broken overlays this may result in a null pointer
> exception. Fix this by checking the return value and inform the user
> what exactly went wrong. To this end, improve the error handling in
> of_overlay_apply_tree.
> 
> The thread [0] gives a bit more context.
> 
> Best regards,
> Michael
> 
> [0] https://lore.barebox.org/barebox/95ff064f-aa11-c1ce-9d41-e38f2040c565@wolfvision.net/T/#u
> 
> Michael Riesch (2):
>   of: overlay: improve error handling in of_overlay_apply_tree
>   of: overlay: avoid potential null pointer exception

Applied, thanks

Sascha

> 
>  drivers/of/overlay.c | 18 +++++++++++++-----
>  1 file changed, 13 insertions(+), 5 deletions(-)
> 
> -- 
> 2.30.2
> 
> 
> 

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