mac80211: align struct ps_data.tim to unsigned long

Its address is used as an unsigned long *, so make sure
that the tim u8 array is properly aligned.

Signed-off-by: Joe Perches <joe@perches.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c56009c3589d..7785afbd222d 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -246,7 +246,8 @@ struct ps_data {
         /* yes, this looks ugly, but guarantees that we can later use
          * bitmap_empty :)
          * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
-        u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
+        u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]
+                        __aligned(__alignof__(unsigned long));
         struct sk_buff_head bc_buf;
         atomic_t num_sta_ps; /* number of stations in PS mode */
         int dtim_count;