I wanted to check in on this. Anything I need to change?

Thanks,
Ethan

On 25/01/19 01:23PM, Ethan Carter Edwards wrote:
> We are replacing any instances of kzalloc(size * count, ...) with
> kcalloc(count, size, ...) due to risk of overflow [1].
> 
> [1] 
> https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments
> Link: https://github.com/KSPP/linux/issues/162
> 
> Signed-off-by: Ethan Carter Edwards <[email protected]>
> ---
>  V2: fix email client formatting.
>  kernel/sched/topology.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
> index 9748a4c8d668..17eb12819563 100644
> --- a/kernel/sched/topology.c
> +++ b/kernel/sched/topology.c
> @@ -1920,7 +1920,7 @@ void sched_init_numa(int offline_node)
>        */
>       sched_domains_numa_levels = 0;
>  
> -     masks = kzalloc(sizeof(void *) * nr_levels, GFP_KERNEL);
> +     masks = kcalloc(nr_levels, sizeof(void *), GFP_KERNEL);
>       if (!masks)
>               return;
>  
> @@ -1929,7 +1929,7 @@ void sched_init_numa(int offline_node)
>        * CPUs of nodes that are that many hops away from us.
>        */
>       for (i = 0; i < nr_levels; i++) {
> -             masks[i] = kzalloc(nr_node_ids * sizeof(void *), GFP_KERNEL);
> +             masks[i] = kcalloc(nr_node_ids, sizeof(void *), GFP_KERNEL);
>               if (!masks[i])
>                       return;
>  
> -- 
> 2.47.1
> 

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