[PATCH] staging: r8188eu: Use kmemdup() to replace kmalloc + memcpy

[Kai Song]

fix memdup.cocci warning:
drivers/staging/r8188eu/os_dep/ioctl_linux.c:4452:33-40: WARNING opportunity for kmemdup

Generated by: scripts/coccinelle/api/memdup.cocci

Signed-off-by: Kai Song <songkai01@xxxxxxxxxx>
---
 drivers/staging/r8188eu/os_dep/ioctl_linux.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
index 20f6182fd93c..71843690356a 100644
--- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
@@ -4189,12 +4189,11 @@ static int rtw_wx_set_priv(struct net_device *dev,
 			kfree(pmlmepriv->wps_probe_req_ie);
 			pmlmepriv->wps_probe_req_ie = NULL;
 
-			pmlmepriv->wps_probe_req_ie = kmalloc(cp_sz, GFP_KERNEL);
+			pmlmepriv->wps_probe_req_ie = kmemdup(probereq_wpsie, cp_sz, GFP_KERNEL);
 			if (!pmlmepriv->wps_probe_req_ie) {
 				ret =  -EINVAL;
 				goto FREE_EXT;
 			}
-			memcpy(pmlmepriv->wps_probe_req_ie, probereq_wpsie, cp_sz);
 			pmlmepriv->wps_probe_req_ie_len = cp_sz;
 		}
 		goto FREE_EXT;
-- 
2.27.0