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SubjectRe: [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy
On 02 Sep 2021 11:20, Greg KH wrote:
> On Sat, Aug 28, 2021 at 11:47:51PM +0530, Saurav Girepunje wrote:
> > Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c
> >
> > Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
> > ---
> > drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> > index 81d4255d1785..495fadd2b8c8 100644
> > --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> > +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> > @@ -585,14 +585,12 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
> > }
> >
> > if (ielen) {
> > - buf = kzalloc(ielen, GFP_KERNEL);
> > + buf = kmemdup(pie, ielen, GFP_KERNEL);
> > if (!buf) {
> > ret = -ENOMEM;
> > goto exit;
> > }
> >
> > - memcpy(buf, pie, ielen);
> > -
> > /* dump */
> > {
> > int i;
> > --
> > 2.32.0
> >
> >
>
> This patch never showed up on lore.kernel.org for some reason. Please
> resend and see if it was a mailing issue on your side...
>
> thanks,
>
> greg k-h


Ok, I will resend this patch.

Thanks,
Saurav Girepunje

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