Thread (4 messages) 4 messages, 2 authors, 2021-09-04

Re: [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy

From: Saurav Girepunje <hidden>
Date: 2021-09-04 05:06:40
Also in: lkml


On 03/09/21 11:18 pm, SAURAV GIREPUNJE wrote:
On 02 Sep 2021 11:20, Greg KH wrote:
quoted
On Sat, Aug 28, 2021 at 11:47:51PM +0530, Saurav Girepunje wrote:
quoted
Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c

Signed-off-by: Saurav Girepunje <redacted>
---
  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/ (local)

Regards,
Saurav Girepunje
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