From: Alan Cox <alan@linux.intel.com>
Date: Wed, 18 Nov 2009 14:12:58 +0000 (+0000)
Subject: tty_port: handle the nonblocking open of a dead port corner case
X-Git-Tag: v2.6.32~23^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8627b96dd80dca440d91fbb1ec733be25912d0dd;p=pandora-kernel.git

tty_port: handle the nonblocking open of a dead port corner case

Some drivers allow O_NDELAY of a dead port (eg for setserial to work). In that
situation we must not try to raise the carrier.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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