diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2010-06-01 22:53:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 13:47:43 -0700 |
| commit | 64ba3dc3143d94bbe935722aa17fa516b232bc83 (patch) | |
| tree | 9649ffd431eb8dc97fbad83d47feaed96980cb7e /drivers/video/console | |
| parent | ec79d6056de58511d8e46d9ae59d3878f958dc3e (diff) | |
tty: never hold BTM while getting tty_mutex
tty_mutex is never taken with the BTM held, except for
two corner cases that are worked around here.
We give up the BTM before calling tty_release() in the
error path of tty_open().
Similarly, we reorder the locking in ptmx_open()
to get tty_mutex before the BTM.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/video/console')
0 files changed, 0 insertions, 0 deletions