This patch kills traffic even though type->suspend returns
failure inside usb_serial_suspend from system sleep context
because USB core ignores the failiure and lets system sleep
go ahread, so the serial URB traffic need to be killed
in this case.
Cc: Johan Hovold <jhovold@xxxxxxxxx>
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
drivers/usb/serial/usb-serial.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index a19ed74..04ad3d5 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1144,7 +1144,8 @@ int usb_serial_suspend(struct usb_interface *intf, pm_message_t message)
r = serial->type->suspend(serial, message);
if (r < 0) {
serial->suspending = 0;
- goto err_out;
+ if (PMSG_IS_AUTO(msg))
+ goto err_out;
}
}
--
1.7.9.5
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