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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-26 01:36:22 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-29 01:24:04 +0300 |
| commit | 122b05ddf506e637336dcf64b5a129825f7bf6d4 (patch) | |
| tree | e8addfa4b5747e198698c0d54789b077cf2a92a0 /arch/x86/lib/usercopy_64.c | |
| parent | d597580d373774b1bdab84b3d26ff0b55162b916 (diff) | |
| download | linux-122b05ddf506e637336dcf64b5a129825f7bf6d4.tar.xz | |
amd64: get rid of zeroing
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86/lib/usercopy_64.c')
| -rw-r--r-- | arch/x86/lib/usercopy_64.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index 69873589c0ba..6c8b6a6c1b38 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -80,9 +80,5 @@ copy_user_handle_tail(char *to, char *from, unsigned len) break; } clac(); - - /* If the destination is a kernel buffer, we always clear the end */ - if (!__addr_ok(to)) - memset(to, 0, len); return len; } |