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author | Jiri Slaby <jslaby@suse.cz> | 2011-07-14 12:35:14 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-23 17:34:07 (GMT) |
commit | 906cbe1364d94da7cbf74c1d05e3e78b2883f661 (patch) | |
tree | fca513a03781a2d0e2ac518aab13c8d528a0468c /drivers/tty/tty_ldisc.c | |
parent | eff4b0b9fe37873d3dc7ade0e08e6f0f89279b8b (diff) | |
download | linux-906cbe1364d94da7cbf74c1d05e3e78b2883f661.tar.xz |
TTY: remove tty_locked
We used it really only serial and ami_serial. The rest of the
callsites were BUG/WARN_ONs to check if BTM is held. Now that we
pruned tty_locked from both of the real users, we can get rid of
tty_lock along with __big_tty_mutex_owner.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty/tty_ldisc.c')
-rw-r--r-- | drivers/tty/tty_ldisc.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index ef925d5..512c49f 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -450,7 +450,6 @@ static int tty_ldisc_open(struct tty_struct *tty, struct tty_ldisc *ld) if (ld->ops->open) { int ret; /* BTM here locks versus a hangup event */ - WARN_ON(!tty_locked()); ret = ld->ops->open(tty); if (ret) clear_bit(TTY_LDISC_OPEN, &tty->flags); |