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authorTakashi Iwai <tiwai@suse.de>2021-01-26 09:51:48 +0300
committerTakashi Iwai <tiwai@suse.de>2021-01-26 09:51:48 +0300
commit4f2da3324eaff382ab1c6aaef8c10180b2f4d08c (patch)
tree38dab378ba4ad014d83151f020cc1e5979be0d6d /drivers/usb/class/cdc-wdm.c
parent6755568ad111394da224c823e8baf31a05a1469c (diff)
parent30e88d017fcbeb50c4b07577fe059558361067e7 (diff)
downloadlinux-4f2da3324eaff382ab1c6aaef8c10180b2f4d08c.tar.xz
Merge tag 'tags/isa-void-remove-callback' into for-next
isa: Make the remove callback for isa drivers return void Link: https://lore.kernel.org/r/20210122092449.426097-1-uwe@kleine-koenig.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/usb/class/cdc-wdm.c')
-rw-r--r--drivers/usb/class/cdc-wdm.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 02d0cfd23bb2..508b1c3f8b73 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -465,13 +465,23 @@ static int service_outstanding_interrupt(struct wdm_device *desc)
if (!desc->resp_count || !--desc->resp_count)
goto out;
+ if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
+ rv = -ENODEV;
+ goto out;
+ }
+ if (test_bit(WDM_RESETTING, &desc->flags)) {
+ rv = -EIO;
+ goto out;
+ }
+
set_bit(WDM_RESPONDING, &desc->flags);
spin_unlock_irq(&desc->iuspin);
rv = usb_submit_urb(desc->response, GFP_KERNEL);
spin_lock_irq(&desc->iuspin);
if (rv) {
- dev_err(&desc->intf->dev,
- "usb_submit_urb failed with result %d\n", rv);
+ if (!test_bit(WDM_DISCONNECTING, &desc->flags))
+ dev_err(&desc->intf->dev,
+ "usb_submit_urb failed with result %d\n", rv);
/* make sure the next notification trigger a submit */
clear_bit(WDM_RESPONDING, &desc->flags);
@@ -1027,9 +1037,9 @@ static void wdm_disconnect(struct usb_interface *intf)
wake_up_all(&desc->wait);
mutex_lock(&desc->rlock);
mutex_lock(&desc->wlock);
- kill_urbs(desc);
cancel_work_sync(&desc->rxwork);
cancel_work_sync(&desc->service_outs_intr);
+ kill_urbs(desc);
mutex_unlock(&desc->wlock);
mutex_unlock(&desc->rlock);