From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 18 Sep 2016 18:57:24 +0000 (-0700)
Subject: Merge tag 'fixes-for-linus-v4.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel... 
X-Git-Tag: v4.8-rc7~2
X-Git-Url: https://git.kernel.dk/?p=linux-2.6-block.git;a=commitdiff_plain;h=88b4ad287c91790e98fe9381b5cba7b381f359c0;hp=3286be94808c403a5ca6bb2830d933439315cb99

Merge tag 'fixes-for-linus-v4.8-rc7' of git://git./linux/kernel/git/groeck/linux-staging

Pull uaccess fixes from Guenter Roeck:
 "Two patches fixing problems introduced with copy_from_user changes"

* tag 'fixes-for-linus-v4.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  openrisc: fix the fix of copy_from_user()
  avr32: fix 'undefined reference to `___copy_from_user'
---

diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S
index 96a6de9d578f..075373471da1 100644
--- a/arch/avr32/lib/copy_user.S
+++ b/arch/avr32/lib/copy_user.S
@@ -23,8 +23,8 @@
 	 */
 	.text
 	.align	1
-	.global	copy_from_user
-	.type	copy_from_user, @function
+	.global	___copy_from_user
+	.type	___copy_from_user, @function
 ___copy_from_user:
 	branch_if_kernel r8, __copy_user
 	ret_if_privileged r8, r11, r10, r10
diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h
index cbad29b5a131..5cc6b4f1b795 100644
--- a/arch/openrisc/include/asm/uaccess.h
+++ b/arch/openrisc/include/asm/uaccess.h
@@ -276,7 +276,7 @@ copy_from_user(void *to, const void *from, unsigned long n)
 	unsigned long res = n;
 
 	if (likely(access_ok(VERIFY_READ, from, n)))
-		n = __copy_tofrom_user(to, from, n);
+		res = __copy_tofrom_user(to, from, n);
 	if (unlikely(res))
 		memset(to + (n - res), 0, res);
 	return res;