linux-kernel - [PATCH] staging: wlan-ng: silence incorrect type in argument 1 (different address spaces) warning

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Message-ID: <20210420090142.GA4086@ashish-NUC8i5BEH>
Date:   Tue, 20 Apr 2021 14:31:42 +0530
From:   Ashish Kalra <eashishkalra@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Abheek Dhawan <adawesomeguy222@...il.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Romain Perier <romain.perier@...il.com>,
        Waiman Long <longman@...hat.com>,
        Allen Pais <apais@...ux.microsoft.com>,
        Ivan Safonov <insafonov@...il.com>,
        Ashish Kalra <eashishkalra@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     eashishkalra@...il.com
Subject: [PATCH] staging: wlan-ng: silence incorrect type in argument 1
 (different address spaces) warning

Upon running sparse, "warning: incorrect type in argument 1 (different address spaces)
is brought to notice for this file.let's add correct typecast to make it cleaner and
silence the Sparse warning.

Signed-off-by: Ashish Kalra <eashishkalra@...il.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;
-- 
2.25.1