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authorIvo van Doorn <ivdoorn@gmail.com>2008-06-16 19:57:11 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-06-26 16:49:16 -0400
commitc1d35dfa0f7d75ba14c442143a9ad8e232d3edfb (patch)
tree9266a9be1068c66b6c80f0f5a73e47af88acd584 /drivers/net/wireless/rt2x00/rt2500usb.c
parentd74f5ba473b915e5d4ea1ed391984bb62d9de8b1 (diff)
rt2x00: Fix sparse warning on nested container_of()
Sparse produces warnings about nested contain_of() statements, this means that lines like: interface_to_usbdev(to_usb_interface(rt2x00dev->dev)); will upset sparse. Add a new macro to rt2x00usb.h which will convert to device structure to the usb_device pointer in 2 steps to prevent this sparse warning. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2500usb.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 6b6e7b93d2a..d0958008c01 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1672,8 +1672,7 @@ static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
static int rt2500usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- struct usb_device *usb_dev =
- interface_to_usbdev(to_usb_interface(rt2x00dev->dev));
+ struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif);
struct queue_entry_priv_usb_bcn *bcn_priv;