Re: [PATCH V3] clk: vc5: Add memory check to prevent oops

From: Stephen Boyd
Date: Wed Jul 22 2020 - 21:46:50 EST


Quoting Adam Ford (2020-07-16 05:26:20)
> When getting the names of the child nodes, kasprintf is used to
> allocate memory which is used to create the string for the node
> name. Unfortunately, there is no memory check to determine
> if this allocation fails, it may cause an error when trying
> to get child node name.
>
> This patch will check if the memory allocation fails, and returns
> and -ENOMEM error instead of blindly moving on.
>
> Fixes: 260249f929e8 ("clk: vc5: Enable addition output configurations of the Versaclock")
>
> Suggested-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> Reviewed-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
> ---

Applied to clk-next