On 04/01/2021 13:10, Colin King wrote:
> From: Colin Ian King <[email protected]>
> 
> The kzalloc allocation for dtpm_cpu is currently allocating the size
> of the pointer and not the size of the structure. Fix this by using
> the correct sizeof argument.
> 
> Addresses-Coverity: ("Wrong sizeof argument")
> Fixes: 0e8f68d7f048 ("powercap/drivers/dtpm: Add CPU energy model based 
> support")
> Signed-off-by: Colin Ian King <[email protected]>

Good catch, thanks for fixing this

Acked-by: Daniel Lezcano <[email protected]>

> ---
>  drivers/powercap/dtpm_cpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c
> index 6933c783c6b4..51c366938acd 100644
> --- a/drivers/powercap/dtpm_cpu.c
> +++ b/drivers/powercap/dtpm_cpu.c
> @@ -200,7 +200,7 @@ static int cpuhp_dtpm_cpu_online(unsigned int cpu)
>       if (!dtpm)
>               return -EINVAL;
>  
> -     dtpm_cpu = kzalloc(sizeof(dtpm_cpu), GFP_KERNEL);
> +     dtpm_cpu = kzalloc(sizeof(*dtpm_cpu), GFP_KERNEL);
>       if (!dtpm_cpu)
>               goto out_kfree_dtpm;
>  
> 


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