Input: handlers - handle errors from input_open_device()
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 09b8223..4f37224 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -170,6 +170,7 @@
struct joydev_client *client;
struct joydev *joydev;
int i = iminor(inode) - JOYDEV_MINOR_BASE;
+ int error;
if (i >= JOYDEV_MINORS)
return -ENODEV;
@@ -185,8 +186,14 @@
client->joydev = joydev;
list_add_tail(&client->node, &joydev->client_list);
- if (!joydev->open++ && joydev->exist)
- input_open_device(&joydev->handle);
+ if (!joydev->open++ && joydev->exist) {
+ error = input_open_device(&joydev->handle);
+ if (error) {
+ list_del(&client->node);
+ kfree(client);
+ return error;
+ }
+ }
file->private_data = client;
return 0;