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(parent: 7a3f098) | patch
serial: crisv10: fix invalid user-pointer check
authorJohan Hovold <johan@kernel.org>
Tue, 8 Nov 2016 12:24:55 +0000 (13:24 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Nov 2016 13:41:25 +0000 (14:41 +0100)
commit68832b20c92affcbe739ff1f6343516d8b824223
tree5c1e6c014979195c48a1a14f576cbdab79aa676atree | snapshot
parent7a3f09846c978e613979d89f99b633b501f202a2commit | diff
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>
drivers/tty/serial/crisv10.c diff | blob | history
Linux kernel for KaRo TX COM modules