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From: Taniya Das <tdas@codeaurora.org>
To: Stephen Boyd <sboyd@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>
Cc: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	Andy Gross <agross@kernel.org>
Subject: Re: [PATCH 4/9] clk: qcom: Don't reference clk_init_data after registration
Date: Sun, 4 Aug 2019 23:19:21 +0530	[thread overview]
Message-ID: <aab96094-a08c-cb13-77f0-51ecd5073512@codeaurora.org> (raw)
In-Reply-To: <20190731193517.237136-5-sboyd@kernel.org>



On 8/1/2019 1:05 AM, Stephen Boyd wrote:
> A future patch is going to change semantics of clk_register() so that
> clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
> referencing this member here so that we don't run into NULL pointer
> exceptions.
> 
> Cc: Taniya Das <tdas@codeaurora.org>
> Cc: Andy Gross <agross@kernel.org>
> Signed-off-by: Stephen Boyd <sboyd@kernel.org>


Acked-by: Taniya Das <tdas@codeaurora.org>

> ---
> 
> Please ack so I can take this through clk tree
> 
>   drivers/clk/qcom/clk-rpmh.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
> index c3fd632af119..7a8a84dcb70d 100644
> --- a/drivers/clk/qcom/clk-rpmh.c
> +++ b/drivers/clk/qcom/clk-rpmh.c
> @@ -396,6 +396,7 @@ static int clk_rpmh_probe(struct platform_device *pdev)
>   	hw_clks = desc->clks;
>   
>   	for (i = 0; i < desc->num_clks; i++) {
> +		const char *name = hw_clks[i]->init->name;
>   		u32 res_addr;
>   		size_t aux_data_len;
>   		const struct bcm_db *data;
> @@ -426,8 +427,7 @@ static int clk_rpmh_probe(struct platform_device *pdev)
>   
>   		ret = devm_clk_hw_register(&pdev->dev, hw_clks[i]);
>   		if (ret) {
> -			dev_err(&pdev->dev, "failed to register %s\n",
> -				hw_clks[i]->init->name);
> +			dev_err(&pdev->dev, "failed to register %s\n", name);
>   			return ret;
>   		}
>   	}
> 

-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation.

--

  reply	other threads:[~2019-08-04 17:49 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31 19:35 [PATCH 0/9] Make clk_hw::init NULL after clk registration Stephen Boyd
2019-07-31 19:35 ` [PATCH 1/9] clk: actions: Don't reference clk_init_data after registration Stephen Boyd
2019-08-03 12:48   ` Manivannan Sadhasivam
2019-08-14  0:24   ` Stephen Boyd
2019-08-16 11:22   ` Manivannan Sadhasivam
2019-08-16 14:50     ` Stephen Boyd
2019-07-31 19:35 ` [PATCH 2/9] clk: lochnagar: " Stephen Boyd
2019-08-01  8:07   ` Charles Keepax
2019-08-14  0:24   ` Stephen Boyd
2019-07-31 19:35 ` [PATCH 3/9] clk: meson: axg-audio: " Stephen Boyd
2019-07-31 19:53   ` Neil Armstrong
2019-08-06  8:49   ` Jerome Brunet
2019-08-06 21:48     ` Stephen Boyd
2019-08-07 13:57       ` Jerome Brunet
2019-08-14  0:24   ` Stephen Boyd
2019-07-31 19:35 ` [PATCH 4/9] clk: qcom: " Stephen Boyd
2019-08-04 17:49   ` Taniya Das [this message]
2019-08-14  0:24   ` Stephen Boyd
2019-07-31 19:35 ` [PATCH 5/9] clk: sirf: " Stephen Boyd
2019-08-14  0:25   ` Stephen Boyd
2019-07-31 19:35 ` [PATCH 6/9] clk: socfpga: " Stephen Boyd
2019-08-01 15:12   ` Dinh Nguyen
2019-08-01 16:13     ` Stephen Boyd
2019-08-14  0:25   ` Stephen Boyd
2019-07-31 19:35 ` [PATCH 7/9] clk: sprd: " Stephen Boyd
2019-08-01  7:41   ` Baolin Wang
2019-08-02  1:57   ` Chunyan Zhang
2019-08-14  0:25   ` Stephen Boyd
2019-07-31 19:35 ` [PATCH 8/9] phy: ti: am654-serdes: " Stephen Boyd
2019-08-02 12:45   ` Kishon Vijay Abraham I
2019-08-14  0:25   ` Stephen Boyd
2019-07-31 19:35 ` [PATCH 9/9] clk: Overwrite clk_hw::init with NULL during clk_register() Stephen Boyd
2019-08-08 16:14   ` Sylwester Nawrocki
2019-08-14  0:25   ` Stephen Boyd

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