[PATCH] mac80211: fix GCC warning on 64bit platforms

net/mac80211/ieee80211.c: In function ieee80211_register_hw:
net/mac80211/ieee80211.c:4989: warning: comparison of distinct pointer types lacks a cast

Size of ieee80211_tx_status_rtap_hdr structure will never be greater than
unsigned int.

Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 6c63dcf9f1ec..c944b17d0fc0 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -4986,8 +4986,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
          * and we need some headroom for passing the frame to monitor
          * interfaces, but never both at the same time.
          */
-        local->tx_headroom = max(local->hw.extra_tx_headroom,
-                                 sizeof(struct ieee80211_tx_status_rtap_hdr));
+        local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom,
+                                   sizeof(struct ieee80211_tx_status_rtap_hdr));
 
         debugfs_hw_add(local);