From: Mike Chan <mike@android.com>
Date: Wed, 28 Oct 2009 00:37:44 +0000 (-0700)
Subject: input: evdev: Use unique wakelock names
X-Git-Tag: firefly_0821_release~9833^2~5^2~327
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ebdbe7c03e5f5634880c824f42dcded1337af762;p=firefly-linux-kernel-4.4.55.git

input: evdev: Use unique wakelock names

wakelock names are now contain evdev->name and pid

Signed-off-by: Mike Chan <mike@android.com>
---

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 3a24ed442466..4d3e28103233 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -42,6 +42,7 @@ struct evdev_client {
 	int tail;
 	spinlock_t buffer_lock; /* protects access to buffer, head and tail */
 	struct wake_lock wake_lock;
+	char name[28];
 	struct fasync_struct *fasync;
 	struct evdev *evdev;
 	struct list_head node;
@@ -298,7 +299,9 @@ static int evdev_open(struct inode *inode, struct file *file)
 
 	client->bufsize = bufsize;
 	spin_lock_init(&client->buffer_lock);
-	wake_lock_init(&client->wake_lock, WAKE_LOCK_SUSPEND, "evdev");
+	snprintf(client->name, sizeof(client->name), "%s-%d",
+			dev_name(&evdev->dev), task_tgid_vnr(current));
+	wake_lock_init(&client->wake_lock, WAKE_LOCK_SUSPEND, client->name);
 	client->evdev = evdev;
 	evdev_attach_client(evdev, client);