Re: [PATCH v3 1/2] clk: xilinx: vcu: unregister pll_post only if registered correctly
From: Stephen Boyd
Date: Sat Jun 21 2025 - 17:52:54 EST
Quoting Rohit Visavalia (2025-02-10 03:36:13)
> If registration of pll_post is failed, it will be set to NULL or ERR,
> unregistering same will fail with following call trace:
>
> Unable to handle kernel NULL pointer dereference at virtual address 008
> pc : clk_hw_unregister+0xc/0x20
> lr : clk_hw_unregister_fixed_factor+0x18/0x30
> sp : ffff800011923850
> ...
> Call trace:
> clk_hw_unregister+0xc/0x20
> clk_hw_unregister_fixed_factor+0x18/0x30
> xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu]
> xvcu_probe+0x2bc/0x53c [xlnx_vcu]
>
> Fixes: 4472e1849db7 ("soc: xilinx: vcu: make pll post divider explicit")
> Signed-off-by: Rohit Visavalia <rohit.visavalia@xxxxxxx>
> ---
Applied to clk-next