Merge tag 'defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[mirror_ubuntu-bionic-kernel.git] / drivers / tty / n_r3964.c

diff --git a/drivers/tty/n_r3964.c b/drivers/tty/n_r3964.c
index 5c6c31459a2f6618cb7cf9d83c7100cf1a6d86ea..656ad93bbc96383b4ed77438e887091a8de63739 100644 (file)
--- a/drivers/tty/n_r3964.c
+++ b/drivers/tty/n_r3964.c
@@ -1065,7 +1065,8 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file,
 
        TRACE_L("read()");
 
-       tty_lock();
+       /* FIXME: should use a private lock */
+       tty_lock(tty);
 
        pClient = findClient(pInfo, task_pid(current));
        if (pClient) {
@@ -1077,7 +1078,7 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file,
                                goto unlock;
                        }
                        /* block until there is a message: */
-                       wait_event_interruptible_tty(pInfo->read_wait,
+                       wait_event_interruptible_tty(tty, pInfo->read_wait,
                                        (pMsg = remove_msg(pInfo, pClient)));
                }
 
@@ -1107,7 +1108,7 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file,
        }
        ret = -EPERM;
 unlock:
-       tty_unlock();
+       tty_unlock(tty);
        return ret;
 }
 
@@ -1156,7 +1157,7 @@ static ssize_t r3964_write(struct tty_struct *tty, struct file *file,
        pHeader->locks = 0;
        pHeader->owner = NULL;
 
-       tty_lock();
+       tty_lock(tty);
 
        pClient = findClient(pInfo, task_pid(current));
        if (pClient) {
@@ -1175,7 +1176,7 @@ static ssize_t r3964_write(struct tty_struct *tty, struct file *file,
        add_tx_queue(pInfo, pHeader);
        trigger_transmit(pInfo);
 
-       tty_unlock();
+       tty_unlock(tty);
 
        return 0;
 }