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authorArnd Bergmann <arnd@arndb.de>2010-06-01 22:53:01 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-10 13:47:43 -0700
commitec79d6056de58511d8e46d9ae59d3878f958dc3e (patch)
tree8e73cf399c4cb3c31dbf3caced385cfc018a706a /drivers/char/briq_panel.c
parent3f582b8c11014e4ce310d9839fb335164195333f (diff)
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/briq_panel.c')
-rw-r--r--drivers/char/briq_panel.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c
index 555cd93c2ee..d5fa113afe3 100644
--- a/drivers/char/briq_panel.c
+++ b/drivers/char/briq_panel.c
@@ -67,15 +67,15 @@ static void set_led(char state)
static int briq_panel_open(struct inode *ino, struct file *filep)
{
- lock_kernel();
+ tty_lock();
/* enforce single access, vfd_is_open is protected by BKL */
if (vfd_is_open) {
- unlock_kernel();
+ tty_unlock();
return -EBUSY;
}
vfd_is_open = 1;
- unlock_kernel();
+ tty_unlock();
return 0;
}