cfg80211: add wrapper function to get wiphy from priv pointer

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 90f9bfa3bfc2..dba7874d1963 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1059,6 +1059,17 @@ static inline void *wiphy_priv(struct wiphy *wiphy)
 }
 
 /**
+ * priv_to_wiphy - return the wiphy containing the priv
+ *
+ * @priv: a pointer previously returned by wiphy_priv
+ */
+static inline struct wiphy *priv_to_wiphy(void *priv)
+{
+        BUG_ON(!priv);
+        return container_of(priv, struct wiphy, priv);
+}
+
+/**
  * set_wiphy_dev - set device pointer for wiphy
  *
  * @wiphy: The wiphy whose device to bind