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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-12 16:53:38 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-12 16:53:38 +1000 |
| commit | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (patch) | |
| tree | b9c33ae8b6de43e44cc5fcbaa3e4a15f18a5ed42 /drivers/char/moxa.c | |
| parent | 37f9ef553bed630957e025504cdcbc76f5de49d5 (diff) | |
| parent | 8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff) | |
| download | kernel-crypto-bc47ab0241c7c86da4f5e5f82fbca7d45387c18d.tar.gz kernel-crypto-bc47ab0241c7c86da4f5e5f82fbca7d45387c18d.tar.xz kernel-crypto-bc47ab0241c7c86da4f5e5f82fbca7d45387c18d.zip | |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/kernel/asm-offsets.c
Diffstat (limited to 'drivers/char/moxa.c')
| -rw-r--r-- | drivers/char/moxa.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 4a4cab73d0b..65b6ff2442c 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -1184,6 +1184,11 @@ static int moxa_open(struct tty_struct *tty, struct file *filp) return -ENODEV; } + if (port % MAX_PORTS_PER_BOARD >= brd->numPorts) { + mutex_unlock(&moxa_openlock); + return -ENODEV; + } + ch = &brd->ports[port % MAX_PORTS_PER_BOARD]; ch->port.count++; tty->driver_data = ch; |