Revert "char: moxa, prevent opening unavailable ports"
This reverts commit a90b037583
, 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>
This commit is contained in:
parent
f234012f52
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752a478751
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@ -1189,11 +1189,6 @@ static int moxa_open(struct tty_struct *tty, struct file *filp)
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return -ENODEV;
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}
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if (port % MAX_PORTS_PER_BOARD >= brd->numPorts) {
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retval = -ENODEV;
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goto out_unlock;
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}
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ch = &brd->ports[port % MAX_PORTS_PER_BOARD];
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ch->port.count++;
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tty->driver_data = ch;
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@ -1218,8 +1213,8 @@ static int moxa_open(struct tty_struct *tty, struct file *filp)
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moxa_close_port(tty);
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} else
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ch->port.flags |= ASYNC_NORMAL_ACTIVE;
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out_unlock:
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mutex_unlock(&moxa_openlock);
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return retval;
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}
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