HID: fix reversed logic in disconnect testing of hiddev

The logic for testing for disconnection is reversed in an ioctl leading
to false reports of disconnection.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Tested-by: Folkert van Heusden <folkert@vanheusden.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index d73eea382ab3..4940e4d70c2d 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -656,7 +656,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
         case HIDIOCGSTRING:
                 mutex_lock(&hiddev->existancelock);
-                if (!hiddev->exist)
+                if (hiddev->exist)
                         r = hiddev_ioctl_string(hiddev, cmd, user_arg);
                 else
                         r = -ENODEV;