tree b0b534e46c6d8ba93a8183de4abfc1cdd0323a38
parent a8a84540eb3fd0493f250dc1c513bef6810a50fd
author Alan Cox <alan@linux.intel.com> 1258553578 +0000
committer Greg Kroah-Hartman <gregkh@suse.de> 1259627905 -0800

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>