Re: [PATCH] staging: wlan-ng: Fixed incorrect type warning in p80211netdev.c

From: Ivan Safonov
Date: Fri Feb 19 2021 - 02:39:26 EST


On 2/17/21 6:42 PM, pritthijit.nath at icloud.com (Pritthijit Nath) wrote:
This change fixes a sparse warning "incorrect type in argument 1
(different address spaces)".

Signed-off-by: Pritthijit Nath <pritthijit.nath at icloud.com>
---
drivers/staging/wlan-ng/p80211netdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c
index 6f9666dc0277..70570e8a5ad2 100644
--- a/drivers/staging/wlan-ng/p80211netdev.c
+++ b/drivers/staging/wlan-ng/p80211netdev.c
@@ -569,7 +569,7 @@ static int p80211knetdev_do_ioctl(struct net_device *dev,
goto bail;
}
- msgbuf = memdup_user(req->data, req->len);
+ msgbuf = memdup_user((void __user *)req->data, req->len);
if (IS_ERR(msgbuf)) {
result = PTR_ERR(msgbuf);
goto bail;


Reviewed-by: Ivan Safonov <insafonov@xxxxxxxxx>