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| author | Guenter Roeck <linux@roeck-us.net> | 2016-09-17 12:57:24 -0700 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2016-09-29 11:14:40 +0200 |
| commit | f0cbef458ac3d7575397295568507a9b45d5a858 (patch) | |
| tree | 4c8dfe32be8bd2a9961a5b67b84a87e3405e0fa3 | |
| parent | fa1709570d8087a4c0e330be876e242ba6b8a7e3 (diff) | |
| download | lwn-f0cbef458ac3d7575397295568507a9b45d5a858.tar.gz lwn-f0cbef458ac3d7575397295568507a9b45d5a858.zip | |
openrisc: fix the fix of copy_from_user()
commit 8e4b72054f554967827e18be1de0e8122e6efc04 upstream.
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>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
| -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 908c0904bdd6..d441480a4af4 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; |