Re: [PATCH v2 1/2] mfd: intel_quark_i2c_gpio: remove clock tree on error path

From: Stephen Boyd
Date: Fri Feb 26 2016 - 19:59:07 EST


On 02/19, Andy Shevchenko wrote:
> There is a potential resource leak in case when ->probe() fails. We have to
> unregister and remove clock tree which is done here.
>
> This is a follow up to previously pushed commit c4726abce63b ("mfd:
> intel_quark_i2c_gpio: Use clkdev_create()") that prevents double free() when
> clkdev_drop() followed by kfree() in devm_kcalloc() release stage.
>
> I leave Fixes tag here, but the backporting will require to backport the commit
> c4726abce63b ("mfd: intel_quark_i2c_gpio: Use clkdev_create()") first.
>
> Fixes: 60ae5b9f5cdd (mfd: intel_quark_i2c_gpio: Add Intel Quark X1000 I2C-GPIO MFD Driver)
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---

Both look fine to me. You may also want to use
devm_clk_register() instead so that cleanup is easier.

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