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Fri, 03 Sep 2021 21:51:50 -0700 (PDT) Cc: Larry.Finger@lwfinger.net, phil@philpotter.co.uk, straube.linux@gmail.com, martin@kaiser.cx, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, saurav.girepunje@hotmail.com Subject: Re: [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy From: Saurav Girepunje To: Greg KH References: Message-ID: <972f6b6c-ffdc-e32d-4433-38df7e8a78d1@gmail.com> Date: Sat, 4 Sep 2021 10:21:46 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/09/21 11:18 pm, SAURAV GIREPUNJE wrote: > 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 >>> --- >>> 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 > Hi Greg, I have resend the patch, But the last patch also on lore.kernel.org https://lore.kernel.org/all/YSp9z2%2FJmvHGhW5m@user/ Regards, Saurav Girepunje