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authorAlan Cox <alan@linux.intel.com>2012-05-03 22:24:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-04 16:58:47 -0700
commitd29f3ef39be4eec0362b985305fc526d9be318cf (patch)
tree35da6af15a899ca767841b864cb1ef290a0f3d4a /drivers/tty/synclink.c
parentd739e65bb21d34f0f5d3bf4048410e534fbec148 (diff)
tty_lock: Localise the lock
In each remaining case the tty_lock is associated with a specific tty. This means we can now lock on a per tty basis. We do need tty_lock_pair() for the pty case. Uglier but still a step in the right direction. [fixed up calls in 3 missing drivers - gregkh] Signed-off-by: Alan Cox <alan@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/synclink.c')
-rw-r--r--drivers/tty/synclink.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c
index 593d40ad0a6b..5ed0daae6564 100644
--- a/drivers/tty/synclink.c
+++ b/drivers/tty/synclink.c
@@ -3338,9 +3338,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
printk("%s(%d):block_til_ready blocking on %s count=%d\n",
__FILE__,__LINE__, tty->driver->name, port->count );
- tty_unlock();
+ tty_unlock(tty);
schedule();
- tty_lock();
+ tty_lock(tty);
}
set_current_state(TASK_RUNNING);

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