Input: handlers - handle errors from input_open_device()

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/input/tsdev.c b/drivers/input/tsdev.c
index fbef35d2d76c..8e2d2c924adf 100644
--- a/drivers/input/tsdev.c
+++ b/drivers/input/tsdev.c
@@ -151,6 +151,7 @@ static int tsdev_open(struct inode *inode, struct file *file)
         int i = iminor(inode) - TSDEV_MINOR_BASE;
         struct tsdev_client *client;
         struct tsdev *tsdev;
+        int error;
 
         printk(KERN_WARNING "tsdev (compaq touchscreen emulation) is scheduled "
                 "for removal.\nSee Documentation/feature-removal-schedule.txt "
@@ -171,8 +172,14 @@ static int tsdev_open(struct inode *inode, struct file *file)
         client->raw = (i >= TSDEV_MINORS / 2) ? 1 : 0;
         list_add_tail(&client->node, &tsdev->client_list);
 
-        if (!tsdev->open++ && tsdev->exist)
-                input_open_device(&tsdev->handle);
+        if (!tsdev->open++ && tsdev->exist) {
+                error = input_open_device(&tsdev->handle);
+                if (error) {
+                        list_del(&client->node);
+                        kfree(client);
+                        return error;
+                }
+        }
 
         file->private_data = client;
         return 0;