1 files changed, 0 insertions, 98 deletions
diff --git a/0014-tty-n_r3964-properly-reference-count-pids.patch b/0014-tty-n_r3964-properly-reference-count-pids.patch
deleted file mode 100644
index 9587d275eb18e2..00000000000000
--- a/0014-tty-n_r3964-properly-reference-count-pids.patch
+++ /dev/null
@@ -1,98 +0,0 @@
-From 4607af3f8237114c8c679e5d976ef00fe7053123 Mon Sep 17 00:00:00 2001
-From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-Date: Fri, 25 Jan 2019 16:47:16 +0100
-Subject: [PATCH 14/15] tty: n_r3964: properly reference count pids
-
-The driver likes to look up things based on the current pid, yet the
-structure is never properly reference counted when passing around the
-pointer.  Luckily when it is saved off it is correct, but for all other
-usages, we need to handle the reference properly.
-
-The function find_client_current() is created to handle some of the
-common housekeeping when trying to lookup a structure on the current
-pid.
-
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/tty/n_r3964.c |   28 ++++++++++++++++++++++------
- 1 file changed, 22 insertions(+), 6 deletions(-)
-
---- a/drivers/tty/n_r3964.c
-+++ b/drivers/tty/n_r3964.c
-@@ -769,6 +769,18 @@ exit:
- 	return pClient;
- }
- 
-+/* Find a client that refers to the pid of the current task */
-+static struct r3964_client_info *find_client_current(struct r3964_info *info)
-+{
-+	struct r3964_client_info *client;
-+	struct pid *pid;
-+
-+	pid = get_pid(task_pid(current));
-+	client = findClient(info, pid);
-+	put_pid(pid);
-+	return client;
-+}
-+
- static int enable_signals(struct r3964_info *pInfo, struct pid *pid, int arg)
- {
- 	struct r3964_client_info *pClient;
-@@ -1121,7 +1133,7 @@ static ssize_t r3964_read(struct tty_str
- 			return -ERESTARTSYS;
- 	}
- 
--	pClient = findClient(pInfo, task_pid(current));
-+	pClient = find_client_current(pInfo);
- 	if (pClient) {
- 		pMsg = remove_msg(pClient);
- 		if (pMsg == NULL) {
-@@ -1205,7 +1217,7 @@ static ssize_t r3964_write(struct tty_st
- 	pHeader->length = count;
- 	pHeader->owner = NULL;
- 
--	pClient = findClient(pInfo, task_pid(current));
-+	pClient = find_client_current(pInfo);
- 	if (pClient) {
- 		pHeader->owner = pClient;
- 	}
-@@ -1229,6 +1241,7 @@ static int r3964_ioctl(struct tty_struct
- 		unsigned int cmd, unsigned long arg)
- {
- 	struct r3964_info *pInfo = tty->disc_data;
-+	struct pid *pid;
- 	unsigned long flags;
- 	int retval = 0;
- 
-@@ -1246,7 +1259,9 @@ static int r3964_ioctl(struct tty_struct
- 				return -ERESTARTSYS;
- 		}
- 
--		retval = enable_signals(pInfo, task_pid(current), arg);
-+		pid = get_pid(task_pid(current));
-+		retval = enable_signals(pInfo, pid, arg);
-+		put_pid(pid);
- 
- 		mutex_unlock(&pInfo->read_lock);
- 		break;
-@@ -1266,8 +1281,9 @@ static int r3964_ioctl(struct tty_struct
- 		spin_unlock_irqrestore(&pInfo->lock, flags);
- 		break;
- 	case R3964_READ_TELEGRAM:
--		retval = read_telegram(pInfo, task_pid(current),
--				       (unsigned char __user *)arg);
-+		pid = get_pid(task_pid(current));
-+		retval = read_telegram(pInfo, pid, (unsigned char __user *)arg);
-+		put_pid(pid);
- 		break;
- 	default:
- 		retval = -ENOIOCTLCMD;
-@@ -1308,7 +1324,7 @@ static __poll_t r3964_poll(struct tty_st
- 
- 	TRACE_L("POLL");
- 
--	pClient = findClient(pInfo, task_pid(current));
-+	pClient = find_client_current(pInfo);
- 	if (pClient) {
- 		poll_wait(file, &tty->read_wait, wait);
- 		spin_lock_irqsave(&pClient->lock, flags);