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Re: [PATCH 15/30] staging: wilc1000: use kmemdup instead of kmalloc in add_network_to_shadow()

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On 07.05.2018 11:43, Ajay Singh wrote:
> Use kmemdup instead of kmalloc & memcpy in add_network_to_shadow().
> 
> Signed-off-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
> ---
>  drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
> index 0ae2065..ca221f1 100644
> --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
> +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
> @@ -331,8 +331,8 @@ static void add_network_to_shadow(struct network_info *nw_info,
>  	shadow_nw_info->tsf_hi = nw_info->tsf_hi;
>  	if (ap_found != -1)
>  		kfree(shadow_nw_info->ies);
> -	shadow_nw_info->ies = kmalloc(nw_info->ies_len, GFP_KERNEL);
> -	memcpy(shadow_nw_info->ies, nw_info->ies, nw_info->ies_len);
> +	shadow_nw_info->ies = kmemdup(nw_info->ies, nw_info->ies_len,
> +				      GFP_KERNEL);

Maybe, in case of NULL, you will want to set ies_len = 0 ?

>  	shadow_nw_info->time_scan = jiffies;
>  	shadow_nw_info->time_scan_cached = jiffies;
>  	shadow_nw_info->found = 1;
> 



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