Re: [PATCH v2] interconnect: qcom: rpm: allocate enough data in probe()

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On 23.05.2023 12:27, Dan Carpenter wrote:
> This was not allocating enough bytes.  There are two issue here.
> First, there was a typo where it was taking the size of the pointer
> instead of the size of the struct, "sizeof(qp->intf_clks)" vs
> "sizeof(*qp->intf_clks)".  Second, it's an array of "cd_num" clocks so
> we need to allocate space for more than one element.
> 
> Fixes: 2e2113c8a64f ("interconnect: qcom: rpm: Handle interface clocks")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
> v2: allocate enough space for the array
> 
>  drivers/interconnect/qcom/icc-rpm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
> index f4627c4a1bdd..6acc7686ed38 100644
> --- a/drivers/interconnect/qcom/icc-rpm.c
> +++ b/drivers/interconnect/qcom/icc-rpm.c
> @@ -436,7 +436,7 @@ int qnoc_probe(struct platform_device *pdev)
>  	if (!qp)
>  		return -ENOMEM;
>  
> -	qp->intf_clks = devm_kzalloc(dev, sizeof(qp->intf_clks), GFP_KERNEL);
> +	qp->intf_clks = devm_kcalloc(dev, cd_num, sizeof(*qp->intf_clks), GFP_KERNEL);
>  	if (!qp->intf_clks)
>  		return -ENOMEM;
>  



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