There's no need to update the runtime PM last_busy field on read urb
errors (e.g. when the urb is being killed on shutdown).
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
---
drivers/usb/class/cdc-acm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f038f390db97..3c7cfac48e30 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -416,13 +416,15 @@ static void acm_read_bulk_callback(struct urb *urb)
dev_dbg(&acm->data->dev, "%s - disconnected\n", __func__);
return;
}
- usb_mark_last_busy(acm->dev);
if (urb->status) {
dev_dbg(&acm->data->dev, "%s - non-zero urb status: %d\n",
__func__, urb->status);
return;
}
+
+ usb_mark_last_busy(acm->dev);
+
acm_process_read_urb(acm, urb);
/* throttle device if requested by tty */
--
1.8.5.5
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