slcan: fix ldisc->open retval
commitda7f9c20fda9b1775def5b4087c51169e13cc0c4
authorOliver Hartkopp <socketcan@hartkopp.net>
Tue, 10 May 2011 20:12:30 +0000 (10 13:12 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Sat, 21 May 2011 22:13:18 +0000 (21 15:13 -0700)
treee1efa7780494b2ac5d5312641e5e5d0acb509704
parent8970cb9186550711878378d7091f64b177d350d9
slcan: fix ldisc->open retval

commit 0d4420a90b51abdea71585f571bad6d789ff8eb7 upstream.

TTY layer expects 0 if the ldisc->open operation succeeded.

Reported-by: Matvejchikov Ilya <matvejchikov@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/net/can/slcan.c