linux-kernel - [PATCH v2 01/11] lib/test_bitmap: Force argument of bitmap_parselist

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Date:   Tue, 22 Oct 2019 20:29:12 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-gpio@...r.kernel.org,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Yury Norov <yury.norov@...il.com>,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 01/11] lib/test_bitmap: Force argument of bitmap_parselist_user() to proper address space

Sparse complains:

lib/test_bitmap.c:345:58: warning: incorrect type in argument 1 (different address spaces)
lib/test_bitmap.c:345:58:    expected char const [noderef] <asn:1> *ubuf
lib/test_bitmap.c:345:58:    got char const *const in

Force argument of bitmap_parselist_user() to proper address space.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 lib/test_bitmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index dc167c13eb39..09aa29a6b562 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -330,7 +330,7 @@ static void __init __test_bitmap_parselist(int is_user)
 
 			set_fs(KERNEL_DS);
 			time = ktime_get();
-			err = bitmap_parselist_user(ptest.in, len,
+			err = bitmap_parselist_user((__force const char __user *)ptest.in, len,
 						    bmap, ptest.nbits);
 			time = ktime_get() - time;
 			set_fs(orig_fs);
-- 
2.23.0