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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-03-23 09:18:27 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-03-23 09:18:27 -0700 |
commit | 188933ac139a6f8ab06cad369bd0200af947b00d (patch) | |
tree | c4c107528fcf6b82e32a93b0596e13eea7aa9385 /drivers/tty/tty_buffer.c | |
parent | 4ed0e032c3cf27c6fabc154164d003c4e0ac4654 (diff) | |
parent | bc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff) |
Merge tag 'v4.0-rc5' into next
Merge with the latest upstream to synchronize Synaptics changes
and bring in new infrastructure pieces.
Conflicts:
drivers/input/mouse/synaptics.c
Diffstat (limited to 'drivers/tty/tty_buffer.c')
-rw-r--r-- | drivers/tty/tty_buffer.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 3605103fc1ac..75661641f5fe 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -557,3 +557,9 @@ int tty_buffer_set_limit(struct tty_port *port, int limit) return 0; } EXPORT_SYMBOL_GPL(tty_buffer_set_limit); + +/* slave ptys can claim nested buffer lock when handling BRK and INTR */ +void tty_buffer_set_lock_subclass(struct tty_port *port) +{ + lockdep_set_subclass(&port->buf.lock, TTY_LOCK_SLAVE); +} |