tty_port: handle the nonblocking open of a dead port corner case
authorAlan Cox <alan@linux.intel.com>
Wed, 18 Nov 2009 14:12:58 +0000 (14:12 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 1 Dec 2009 00:38:25 +0000 (16:38 -0800)
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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