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>

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 896fe3b..e0538b9 100644 (file)
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -674,8 +674,6 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
        rcu_read_lock();
        csa = rcu_dereference(ifmsh->csa);
        if (csa) {
-               __le16 pre_value;
-
                pos = skb_put(skb, 13);
                memset(pos, 0, 13);
                *pos++ = WLAN_EID_CHANNEL_SWITCH;
@@ -697,8 +695,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
                          WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT : 0x00;
                put_unaligned_le16(WLAN_REASON_MESH_CHAN, pos);
                pos += 2;
-               pre_value = cpu_to_le16(ifmsh->pre_value);
-               memcpy(pos, &pre_value, 2);
+               put_unaligned_le16(ifmsh->pre_value, pos);
                pos += 2;
        }
        rcu_read_unlock();

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 5dfa41a..bb92f8e 100644 (file)
--- 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;
        }