linux-kernel - [PATCH] hexagon: Use raw_copy_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue,  2 May 2017 20:52:48 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Richard Kuo <rkuo@...eaurora.org>
Cc:     linux-hexagon@...r.kernel.org, linux-kernel@...r.kernel.org,
        Guenter Roeck <linux@...ck-us.net>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: [PATCH] hexagon: Use raw_copy_to_user

Commit ac4691fac8ad ("hexagon: switch to RAW_COPY_USER") replaced
__copy_to_user_hexagon() with raw_copy_to_user(), but did not catch
all callers, resulting in the following build error.

arch/hexagon/mm/uaccess.c: In function '__clear_user_hexagon':
arch/hexagon/mm/uaccess.c:40:3: error:
	implicit declaration of function '__copy_to_user_hexagon'

Fixes: ac4691fac8ad ("hexagon: switch to RAW_COPY_USER")
Cc: Al Viro <viro@...iv.linux.org.uk>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 arch/hexagon/mm/uaccess.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/hexagon/mm/uaccess.c b/arch/hexagon/mm/uaccess.c
index ec90afdb3ad0..c599eb126c9e 100644
--- a/arch/hexagon/mm/uaccess.c
+++ b/arch/hexagon/mm/uaccess.c
@@ -37,15 +37,14 @@ __kernel_size_t __clear_user_hexagon(void __user *dest, unsigned long count)
 	long uncleared;
 
 	while (count > PAGE_SIZE) {
-		uncleared = __copy_to_user_hexagon(dest, &empty_zero_page,
-						PAGE_SIZE);
+		uncleared = raw_copy_to_user(dest, &empty_zero_page, PAGE_SIZE);
 		if (uncleared)
 			return count - (PAGE_SIZE - uncleared);
 		count -= PAGE_SIZE;
 		dest += PAGE_SIZE;
 	}
 	if (count)
-		count = __copy_to_user_hexagon(dest, &empty_zero_page, count);
+		count = raw_copy_to_user(dest, &empty_zero_page, count);
 
 	return count;
 }
-- 
2.7.4