linux-kernel - Re: [PATCH] staging: rtl8723bs: os_dep: ioctl_linux: Make use rtw

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Date:   Sun, 16 Jun 2019 10:15:22 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Hariprasad Kelam <hariprasad.kelam@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Michael Straube <straube.linux@...il.com>,
        Mamta Shukla <mamtashukla555@...il.com>,
        Shobhit Kukreti <shobhitkukreti@...il.com>,
        Emanuel Bennici <benniciemanuel78@...il.com>,
        Puranjay Mohan <puranjay12@...il.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8723bs: os_dep: ioctl_linux:  Make use
 rtw_zmalloc

On Sun, Jun 16, 2019 at 11:02:50AM +0530, Hariprasad Kelam wrote:
> rtw_malloc with memset can be replace with rtw_zmalloc.
> 
> Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
> ---
>  drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> index fc3885d..c59e366 100644
> --- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> @@ -478,14 +478,12 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
>  		if (wep_key_len > 0) {
>  			wep_key_len = wep_key_len <= 5 ? 5 : 13;
>  			wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
> -			pwep = rtw_malloc(wep_total_len);
> +			pwep = rtw_zmalloc(wep_total_len);

We should not introduce new uses of rtw_malloc() or rtw_zmalloc().  They
are buggy garbage.  Use normall kmalloc() and kzalloc().

regards,
dan carpenter