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authorOliver Neukum <oneukum@suse.com>2022-04-28 15:34:55 +0200
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-05-13 11:02:23 +0200
commitaf2aa3c4e52bc63b532b55b1ac66f262ecff2fb3 (patch)
tree3cea291da9ddd07c3855ff45287121ce7930b732 /drivers/media/rc
parent07af64dddfb87d1af9360204155396be07b7aa70 (diff)
downloadlinux-af2aa3c4e52bc63b532b55b1ac66f262ecff2fb3.tar.gz
media: imon: drop references only after device is no longer used
The point of using get/put_device() is to keep references
for as long as the device may be in use. That means dropping
them must be the penultimate action right before freeing the memory.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/imon.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 8dbeab48ed3c..ad8bca8a8abd 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -2523,7 +2523,6 @@ static void imon_disconnect(struct usb_interface *interface)
 	if (ifnum == 0) {
 		ictx->dev_present_intf0 = false;
 		usb_kill_urb(ictx->rx_urb_intf0);
-		usb_put_dev(ictx->usbdev_intf0);
 		input_unregister_device(ictx->idev);
 		rc_unregister_device(ictx->rdev);
 		if (ictx->display_supported) {
@@ -2532,14 +2531,15 @@ static void imon_disconnect(struct usb_interface *interface)
 			else if (ictx->display_type == IMON_DISPLAY_TYPE_VFD)
 				usb_deregister_dev(interface, &imon_vfd_class);
 		}
+		usb_put_dev(ictx->usbdev_intf0);
 	} else {
 		ictx->dev_present_intf1 = false;
 		usb_kill_urb(ictx->rx_urb_intf1);
-		usb_put_dev(ictx->usbdev_intf1);
 		if (ictx->display_type == IMON_DISPLAY_TYPE_VGA) {
 			del_timer_sync(&ictx->ttimer);
 			input_unregister_device(ictx->touch);
 		}
+		usb_put_dev(ictx->usbdev_intf1);
 	}
 
 	if (!ictx->dev_present_intf0 && !ictx->dev_present_intf1)