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(parent: 392bcee) | patch
n_tty: Fix calculation of size in canon_copy_from_read_buf
authorMark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Mon, 18 May 2015 00:01:48 +0000 (12:01 +1200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 24 May 2015 19:43:50 +0000 (12:43 -0700)
commitda555db6b06340e3f6b4b0a0448c30bebfe23b0a
tree872aae27524cdd0ff3c9da0bd0efa679ad6bf66ctree | snapshot (tar.gz zip)
parent392bceedb107a3dc1d4287e63d7670d08f702febcommit | diff
n_tty: Fix calculation of size in canon_copy_from_read_buf

There was a hardcoded value of 4096 which should have been N_TTY_BUF_SIZE.
This caused reads from tty to fail with EFAULT when they shouldn't have
done if N_TTY_BUF_SIZE was declared to be something other than 4096.

Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/n_tty.c diff | blob | blame | history