summaryrefslogtreecommitdiff
path: root/drivers/tty/serial
diff options
context:
space:
mode:
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/serial
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/serial')
-rw-r--r--drivers/tty/serial/crisv10.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 80b6b1b1f725..b431a5164f45 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -4052,9 +4052,9 @@ block_til_ready(struct tty_struct *tty, struct file * filp,
printk("block_til_ready blocking: ttyS%d, count = %d\n",
info->line, info->count);
#endif
- tty_unlock();
+ tty_unlock(tty);
schedule();
- tty_lock();
+ tty_lock(tty);
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&info->open_wait, &wait);