diff options
| author |   Arnd Bergmann <arnd@arndb.de> | 2010-06-01 22:53:01 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 13:47:43 -0700 |
| commit | ec79d6056de58511d8e46d9ae59d3878f958dc3e (patch) | |
| tree | 8e73cf399c4cb3c31dbf3caced385cfc018a706a /drivers/char/vc_screen.c | |
| parent | serial: fix termios settings in open (diff) | |
| download | linux-dev-ec79d6056de58511d8e46d9ae59d3878f958dc3e.tar.xz linux-dev-ec79d6056de58511d8e46d9ae59d3878f958dc3e.zip | |
tty: replace BKL with a new tty_lock
As a preparation for replacing the big kernel lock
in the TTY layer, wrap all the callers in new
macros tty_lock, tty_lock_nested and tty_unlock.
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/char/vc_screen.c')
| -rw-r--r-- | drivers/char/vc_screen.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index c1791a63d99d..bcce46c96b88 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -463,10 +463,10 @@ vcs_open(struct inode *inode, struct file *filp) unsigned int currcons = iminor(inode) & 127; int ret = 0; - lock_kernel(); + tty_lock(); if(currcons && !vc_cons_allocated(currcons-1)) ret = -ENXIO; - unlock_kernel(); + tty_unlock(); return ret; } |