netdev - [PATCH net-next 22/24] net: cdc_ncm: return proper error if setup fails

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Message-Id: <1383301021-16613-23-git-send-email-bjorn@mork.no>
Date:	Fri,  1 Nov 2013 11:16:59 +0100
From:	Bjørn Mork <bjorn@...k.no>
To:	netdev@...r.kernel.org
Cc:	linux-usb@...r.kernel.org,
	Alexey Orishko <alexey.orishko@...il.com>,
	Bjørn Mork <bjorn@...k.no>
Subject: [PATCH net-next 22/24] net: cdc_ncm: return proper error if setup fails

Most setup errors are ignored to ensure maximum firmware
compatibilty.  But GET_NTB_PARAMETERS and the functional
descriptors are required.  Use proper error codes and
log level if these fail.

Cc: Alexey Orishko <alexey.orishko@...il.com>
Signed-off-by: Bjørn Mork <bjorn@...k.no>
---
 drivers/net/usb/cdc_ncm.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 62dcb2e..f168bc8 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -86,8 +86,8 @@ static u8 cdc_ncm_setup(struct usbnet *dev)
 			      0, iface_no, &ncm_parm,
 			      sizeof(ncm_parm));
 	if (err < 0) {
-		dev_dbg(&dev->intf->dev, "failed GET_NTB_PARAMETERS\n");
-		return 1;
+		dev_err(&dev->intf->dev, "failed GET_NTB_PARAMETERS\n");
+		return err; /* GET_NTB_PARAMETERS is required */
 	}
 
 	/* read correct set of parameters according to device mode */
-- 
1.7.10.4

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