From 5ac24979dcb3418a295e11823c1f2506df1d9926 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Mon, 25 Jun 2012 22:39:45 +0000 Subject: [PATCH] net: qmi_wwan: simplify a check in qmi_wwan_bind() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This code is easier to read if we specify which flags we want at the condition instead of at the top of the function. Signed-off-by: Dan Carpenter Acked-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/qmi_wwan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 68ca6769210f..484eaa5c8a5d 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -129,7 +129,6 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; struct usb_cdc_union_desc *cdc_union = NULL; struct usb_cdc_ether_desc *cdc_ether = NULL; - u32 required = 1 << USB_CDC_HEADER_TYPE | 1 << USB_CDC_UNION_TYPE; u32 found = 0; struct usb_driver *driver = driver_of(intf); struct qmi_wwan_state *info = (void *)&dev->data; @@ -197,7 +196,8 @@ next_desc: } /* did we find all the required ones? */ - if ((found & required) != required) { + if (!(found & (1 << USB_CDC_HEADER_TYPE)) || + !(found & (1 << USB_CDC_UNION_TYPE))) { dev_err(&intf->dev, "CDC functional descriptors missing\n"); goto err; } -- 2.20.1