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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-06-25 22:39:45 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-06-26 17:13:21 -0700 |
| commit | 5ac24979dcb3418a295e11823c1f2506df1d9926 (patch) | |
| tree | 7f7994297c3075371983a09c319eb7a851ff2d84 | |
| parent | 251da4130115b29403a57096fa0988249f31fc55 (diff) | |
| download | linux-5ac24979dcb3418a295e11823c1f2506df1d9926.tar.gz linux-5ac24979dcb3418a295e11823c1f2506df1d9926.tar.bz2 linux-5ac24979dcb3418a295e11823c1f2506df1d9926.zip | |
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@oracle.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/usb/qmi_wwan.c | 4 |
1 files 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; } |