Else the poll will be restarted indefinitely in a tight loop,
preventing final device cleanup.
Cc: Oliver Neukum <oliver@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Bjørn Mork <bjorn@xxxxxxx>
---
drivers/usb/class/cdc-wdm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 5d15165..7652275 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -548,7 +548,7 @@ static unsigned int wdm_poll(struct file *file, struct poll_table_struct *wait)
spin_lock_irqsave(&desc->iuspin, flags);
if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
- mask = POLLERR;
+ mask = POLLHUP | POLLERR;
spin_unlock_irqrestore(&desc->iuspin, flags);
goto desc_out;
}
--
1.7.10
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