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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-22 11:24:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-22 11:24:43 -0700
commit752a4787511bf7515f99609ff4ae52341b5bfcde (patch)
treee3eec5f08fd4502022fd53e8354340fa50cb512b
parentf234012f52a37e48f2330e1ca2df69800e797c3b (diff)
downloadlinux-752a4787511bf7515f99609ff4ae52341b5bfcde.tar.gz
Revert "char: moxa, prevent opening unavailable ports"
This reverts commit a90b037583d5f1ae3e54e9c687c79df82d1d34a4, which
already got fixed as commit f0e8527726b9e56649b9eafde3bc0fbc4dd2dd47:
the same patch (trivial differences) got applied twice.

Requested-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/char/moxa.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 6799588b0099..65b6ff2442c6 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -1189,11 +1189,6 @@ static int moxa_open(struct tty_struct *tty, struct file *filp)
 		return -ENODEV;
 	}
 
-	if (port % MAX_PORTS_PER_BOARD >= brd->numPorts) {
-		retval = -ENODEV;
-		goto out_unlock;
-	}
-
 	ch = &brd->ports[port % MAX_PORTS_PER_BOARD];
 	ch->port.count++;
 	tty->driver_data = ch;
@@ -1218,8 +1213,8 @@ static int moxa_open(struct tty_struct *tty, struct file *filp)
 				moxa_close_port(tty);
 	} else
 		ch->port.flags |= ASYNC_NORMAL_ACTIVE;
-out_unlock:
 	mutex_unlock(&moxa_openlock);
+
 	return retval;
 }