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Date: Tue, 26 Jun 2012 11:39:45 +0300 From: Dan Carpenter <dan.carpenter@...cle.com> To: netdev@...r.kernel.org Cc: Bjørn Mork <bjorn@...k.no>, "David S. Miller" <davem@...emloft.net> Subject: [patch] net: qmi_wwan: simplify a check in qmi_wwan_bind() 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 <dan.carpenter@...cle.com> Acked-by: Bjørn Mork <bjorn@...k.no> diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index f1e7791..23cb13c 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; } -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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