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-rw-r--r--drivers/usb/class/cdc-wdm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 5a244cf..8a72e05 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -457,6 +457,8 @@ retry:
goto retry;
}
if (!desc->reslength) { /* zero length read */
+ dev_dbg(&desc->intf->dev, "%s: zero length - clearing WDM_READ\n", __func__);
+ clear_bit(WDM_READ, &desc->flags);
spin_unlock_irq(&desc->iuspin);
goto retry;
}