mac80211: use put_unaligned_le16 for precedence value in mesh

use put_unaligned_le16 for precedence value in mesh
channel switch support

Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 5dfa41abdf8b..bb92f8e0f84e 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2450,7 +2450,6 @@ int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
 
         if (ieee80211_vif_is_mesh(&sdata->vif)) {
                 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
-                __le16 pre_value;
 
                 skb_put(skb, 8);
                 *pos++ = WLAN_EID_CHAN_SWITCH_PARAM;            /* EID */
@@ -2466,8 +2465,7 @@ int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
                         ifmsh->pre_value = 1;
                 else
                         ifmsh->pre_value++;
-                pre_value = cpu_to_le16(ifmsh->pre_value);
-                memcpy(pos, &pre_value, 2);             /* Precedence Value */
+                put_unaligned_le16(ifmsh->pre_value, pos);/* Precedence Value */
                 pos += 2;
                 ifmsh->chsw_init = true;
         }