diff options
| author | Johan Hovold <jhovold@gmail.com> | 2014-05-26 19:23:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-27 15:04:10 -0700 |
| commit | 4a8ee5059a241114c644350b6cb564c729a340fa (patch) | |
| tree | 7f16ba87cb1a1a277055bca4579178395092b0b4 | |
| parent | b1d42efc217fdc1a6a704b344fd902ae52a012c8 (diff) | |
USB: cdc-acm: do not update PM busy on read errors
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@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 4 |
1 files changed, 3 insertions, 1 deletions
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 */ |