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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 10:40:19 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 10:40:19 +0900 |
| commit | f35c69b736e4f910d7447346980145212c283570 (patch) | |
| tree | 824b90cd870e6de07bbba19d761c1c74cf1fb4a7 /drivers/tty/mxser.c | |
| parent | cd4373984a5903276f52777a6003425e023eaa7e (diff) | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | linux-f35c69b736e4f910d7447346980145212c283570.tar.gz linux-f35c69b736e4f910d7447346980145212c283570.tar.bz2 linux-f35c69b736e4f910d7447346980145212c283570.zip | |
Merge 3.10-rc3 into char-misc-next
We want the changes in here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/mxser.c')
| -rw-r--r-- | drivers/tty/mxser.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 71d6eb2c93b1..4c4a23674569 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -1618,8 +1618,12 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp) if (ip->type == PORT_16550A) me->fifo[p] = 1; - opmode = inb(ip->opmode_ioaddr)>>((p % 4) * 2); - opmode &= OP_MODE_MASK; + if (ip->board->chip_flag == MOXA_MUST_MU860_HWID) { + opmode = inb(ip->opmode_ioaddr)>>((p % 4) * 2); + opmode &= OP_MODE_MASK; + } else { + opmode = RS232_MODE; + } me->iftype[p] = opmode; mutex_unlock(&port->mutex); } @@ -1676,6 +1680,9 @@ static int mxser_ioctl(struct tty_struct *tty, int shiftbit; unsigned char val, mask; + if (info->board->chip_flag != MOXA_MUST_MU860_HWID) + return -EFAULT; + p = tty->index % 4; if (cmd == MOXA_SET_OP_MODE) { if (get_user(opmode, (int __user *) argp)) |