linux-kernel - [PATCH v4 01/13] USB: ch341: fix error handling on resume

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Message-Id: <1460754856-27908-2-git-send-email-greg@chown.ath.cx>
Date:	Fri, 15 Apr 2016 23:14:04 +0200
From:	Grigori Goronzy <greg@...wn.ath.cx>
To:	Johan Hovold <johan@...nel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Grigori Goronzy <greg@...wn.ath.cx>
Subject: [PATCH v4 01/13] USB: ch341: fix error handling on resume

This may fail, do not assume it always works.

Signed-off-by: Grigori Goronzy <greg@...wn.ath.cx>
---
 drivers/usb/serial/ch341.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index c73808f..63df8ce 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -544,9 +544,7 @@ static int ch341_reset_resume(struct usb_serial *serial)
 	priv = usb_get_serial_port_data(serial->port[0]);
 
 	/* reconfigure ch341 serial port after bus-reset */
-	ch341_configure(serial->dev, priv);
-
-	return 0;
+	return ch341_configure(serial->dev, priv);
 }
 
 static struct usb_serial_driver ch341_device = {
-- 
1.9.1