diff options
| author |   Bjørn Mork <bjorn@mork.no> | 2013-11-01 11:16:47 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-11-02 02:02:02 -0400 |
| commit | 832922362e1308aaef95a43383577d56f51fbc3c (patch) | |
| tree | 23801dae1712dad3d00bdc052781cd43c955fc15 /drivers/net/usb/cdc_ncm.c | |
| parent | net: cdc_ncm: fix SET_MAX_DATAGRAM_SIZE (diff) | |
| download | linux-dev-832922362e1308aaef95a43383577d56f51fbc3c.tar.xz linux-dev-832922362e1308aaef95a43383577d56f51fbc3c.zip | |
net: cdc_ncm: remove descriptor pointers
header_desc was completely unused and union_desc was never used
outside cdc_ncm_bind_common.
Cc: Alexey Orishko <alexey.orishko@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/cdc_ncm.c')
| -rw-r--r-- | drivers/net/usb/cdc_ncm.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index b8de8ddd6d98..435fcc75d706 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -372,6 +372,7 @@ static const struct ethtool_ops cdc_ncm_ethtool_ops = { int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting) { + const struct usb_cdc_union_desc *union_desc = NULL; struct cdc_ncm_ctx *ctx; struct usb_driver *driver; u8 *buf; @@ -406,16 +407,15 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ switch (buf[2]) { case USB_CDC_UNION_TYPE: - if (buf[0] < sizeof(*(ctx->union_desc))) + if (buf[0] < sizeof(*union_desc)) break; - ctx->union_desc = - (const struct usb_cdc_union_desc *)buf; + union_desc = (const struct usb_cdc_union_desc *)buf; ctx->control = usb_ifnum_to_if(dev->udev, - ctx->union_desc->bMasterInterface0); + union_desc->bMasterInterface0); ctx->data = usb_ifnum_to_if(dev->udev, - ctx->union_desc->bSlaveInterface0); + union_desc->bSlaveInterface0); break; case USB_CDC_ETHERNET_TYPE: @@ -458,7 +458,7 @@ advance: } /* some buggy devices have an IAD but no CDC Union */ - if (!ctx->union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) { + if (!union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) { ctx->control = intf; ctx->data = usb_ifnum_to_if(dev->udev, intf->cur_altsetting->desc.bInterfaceNumber + 1); dev_dbg(&intf->dev, "CDC Union missing - got slave from IAD\n"); |