Hi Peter, Thank you for the patch! Yet something to improve:
[auto build test ERROR on mac80211-next/master] [also build test ERROR on v4.15-rc9 next-20180126] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/peter-oh-bowerswilkins-com/mac80211-mesh-fix-wrong-mesh-TTL-offset-calculation/20180128-042444 base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master config: i386-randconfig-x070-201804 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): net//mac80211/mesh.c: In function 'mesh_fwd_csa_frame': >> net//mac80211/mesh.c:1271:40: error: decrement of member 'mesh_ttl' in >> read-only object elems->mesh_chansw_params_ie->mesh_ttl--; ^~ >> net//mac80211/mesh.c:1272:43: error: assignment of member 'mesh_flags' in >> read-only object elems->mesh_chansw_params_ie->mesh_flags &= ^~ vim +/mesh_ttl +1271 net//mac80211/mesh.c 1256 1257 static int mesh_fwd_csa_frame(struct ieee80211_sub_if_data *sdata, 1258 struct ieee80211_mgmt *mgmt, size_t len, 1259 struct ieee802_11_elems *elems) 1260 { 1261 struct ieee80211_mgmt *mgmt_fwd; 1262 struct sk_buff *skb; 1263 struct ieee80211_local *local = sdata->local; 1264 1265 skb = dev_alloc_skb(local->tx_headroom + len); 1266 if (!skb) 1267 return -ENOMEM; 1268 skb_reserve(skb, local->tx_headroom); 1269 mgmt_fwd = skb_put(skb, len); 1270 > 1271 elems->mesh_chansw_params_ie->mesh_ttl--; > 1272 elems->mesh_chansw_params_ie->mesh_flags &= 1273 ~WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR; 1274 1275 memcpy(mgmt_fwd, mgmt, len); 1276 eth_broadcast_addr(mgmt_fwd->da); 1277 memcpy(mgmt_fwd->sa, sdata->vif.addr, ETH_ALEN); 1278 memcpy(mgmt_fwd->bssid, sdata->vif.addr, ETH_ALEN); 1279 1280 ieee80211_tx_skb(sdata, skb); 1281 return 0; 1282 } 1283 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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