Re: [PATCH v2 1/3] clk: Don't dereference parent clock if is NULL

From: Stephen Boyd
Date: Thu Feb 12 2015 - 14:00:28 EST

On 02/12/15 05:58, Javier Martinez Canillas wrote:
> The clock passed as an argument to clk_mux_determine_rate_flags()
> has the CLK_SET_RATE_PARENT flag set but it has no parent, then a
> NULL pointer will tried to be dereferenced.
> This shouldn't happen since setting that flag for a clock with no
> parent is a bug but the core should be robust to handle that case.
> Fixes: 035a61c314eb3 ("clk: Make clk API return per-user struct clk instances")
> Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>

Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>

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