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| author | Guenter Roeck <linux@roeck-us.net> | 2016-09-17 12:57:24 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2016-09-18 07:26:42 -0700 |
| commit | 8e4b72054f554967827e18be1de0e8122e6efc04 (patch) | |
| tree | 2af6cc02dc448a37ffae36f971a5d9a3e6e7ebd3 /arch/openrisc | |
| parent | 65c0044ca8d7c7bbccae37f0ff2972f0210e9f41 (diff) | |
| download | linux-stable-8e4b72054f554967827e18be1de0e8122e6efc04.tar.gz linux-stable-8e4b72054f554967827e18be1de0e8122e6efc04.tar.bz2 linux-stable-8e4b72054f554967827e18be1de0e8122e6efc04.zip | |
openrisc: fix the fix of copy_from_user()
Since commit acb2505d0119 ("openrisc: fix copy_from_user()"),
copy_from_user() returns the number of bytes requested, not the
number of bytes not copied.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Fixes: acb2505d0119 ("openrisc: fix copy_from_user()")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'arch/openrisc')
| -rw-r--r-- | arch/openrisc/include/asm/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
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; |