diff options
| author | Johan Hovold <johan@kernel.org> | 2016-11-08 13:24:55 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-10 14:41:25 +0100 |
| commit | 68832b20c92affcbe739ff1f6343516d8b824223 (patch) | |
| tree | 5c1e6c014979195c48a1a14f576cbdab79aa676a /drivers/tty | |
| parent | 7a3f09846c978e613979d89f99b633b501f202a2 (diff) | |
| download | linux-68832b20c92affcbe739ff1f6343516d8b824223.tar.gz linux-68832b20c92affcbe739ff1f6343516d8b824223.tar.xz | |
serial: crisv10: fix invalid user-pointer check
Drop invalid user-pointer check from TIOCGSERIAL handler.
A NULL-pointer can be valid in user space and copy_to_user() takes care
of sanity checking.
Cc: Mikael Starvik <starvik@axis.com>
Cc: linux-cris-kernel@axis.com
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/crisv10.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 6450a38cb1aa..e92c23470e51 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -3213,8 +3213,6 @@ get_serial_info(struct e100_serial * info, * should set them to something else than 0. */ - if (!retinfo) - return -EFAULT; memset(&tmp, 0, sizeof(tmp)); tmp.type = info->type; tmp.line = info->line; |