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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-20 08:19:09 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-20 08:19:09 (GMT) |
| commit | 37c1d2e4098e48d9107858246027510efcfd7774 (patch) | |
| tree | fd676992f6b27f2576420bbc7b25028d05125940 /drivers/tty/mxser.c | |
| parent | 414abbd2cd4c2618895f02ed3a76ec6647281436 (diff) | |
| parent | aad760136537fdfa10e5ac76bd3c79bde2100863 (diff) | |
| download | linux-37c1d2e4098e48d9107858246027510efcfd7774.tar.xz | |
Merge branch 'linus' into patchwork
* linus: (1465 commits)
ARM: tegra30: clocks: Fix pciex clock registration
lseek(fd, n, SEEK_END) does *not* go to eof - n
Linux 3.10-rc6
smp.h: Use local_irq_{save,restore}() in !SMP version of on_each_cpu().
powerpc: Fix missing/delayed calls to irq_work
powerpc: Fix emulation of illegal instructions on PowerNV platform
powerpc: Fix stack overflow crash in resume_kernel when ftracing
snd_pcm_link(): fix a leak...
use can_lookup() instead of direct checks of ->i_op->lookup
move exit_task_namespaces() outside of exit_notify()
fput: task_work_add() can fail if the caller has passed exit_task_work()
xfs: don't shutdown log recovery on validation errors
xfs: ensure btree root split sets blkno correctly
xfs: fix implicit padding in directory and attr CRC formats
xfs: don't emit v5 superblock warnings on write
mei: me: clear interrupts on the resume path
mei: nfc: fix nfc device freeing
mei: init: Flush scheduled work before resetting the device
sctp: fully initialize sctp_outq in sctp_outq_init
netiucv: Hold rtnl between name allocation and device registration.
...
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 71d6eb2..4c4a236 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)) |