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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-12 10:02:03 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-12 10:02:03 -0500
commit82681a318f9f028ea64e61f24bbd9ac535531921 (patch)
tree529b6a5b4fd040fb54b7672b1a224ebd47445876 /drivers/char/moxa.c
parent3860c97bd60a4525bb62eb90e3e7d2f02662ac59 (diff)
parent8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff)
[SCSI] Merge branch 'linus'
Conflicts: drivers/message/fusion/mptsas.c fixed up conflict between req->data_len accessors and mptsas driver updates. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/char/moxa.c')
-rw-r--r--drivers/char/moxa.c5
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;