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mac80211: use offsetofend()

Browse Source 
This was created using the following spatch:
    @find@
    type S;
    expression M, M2;
    position p;
    @@
    offsetof(S, M) + sizeof(M2)@p

    @script:python@
    m << find.M;
    m2 << find.M2;
    @@
    if not m2.endswith('-> ' + m):
            cocci.include_match(False)

    @change@
    type find.S;
    expression find.M, find.M2;
    position find.p;
    @@
    -offsetof(S, M) + sizeof(M2)@p
    +offsetofend(S, M)

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2017-09-08 11:54:46 +02:00
parent 1281103770
commit 4c121fd690
4 changed files with 8 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/mac80211/mesh.c
+1 -2
View File
@@ -675,8 +675,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
enum nl80211_band band;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
int hdr_len = offsetof(struct ieee80211_mgmt, u.beacon) +
sizeof(mgmt->u.beacon);
int hdr_len = offsetofend(struct ieee80211_mgmt, u.beacon);
sdata = container_of(ifmsh, struct ieee80211_sub_if_data, u.mesh);
rcu_read_lock();
net/mac80211/mesh_hwmp.c
+4 -4
View File
@@ -111,8 +111,8 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u8 *pos, ie_len;
int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.mesh_action) +
sizeof(mgmt->u.action.u.mesh_action);
int hdr_len = offsetofend(struct ieee80211_mgmt,
u.action.u.mesh_action);
skb = dev_alloc_skb(local->tx_headroom +
hdr_len +
@@ -242,8 +242,8 @@ int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_mgmt *mgmt;
u8 *pos, ie_len;
int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.mesh_action) +
sizeof(mgmt->u.action.u.mesh_action);
int hdr_len = offsetofend(struct ieee80211_mgmt,
u.action.u.mesh_action);
if (time_before(jiffies, ifmsh->next_perr))
return -EAGAIN;
net/mac80211/mesh_plink.c
+1 -2
View File
@@ -220,8 +220,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
bool include_plid = false;
u16 peering_proto = 0;
u8 *pos, ie_len = 4;
int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.self_prot) +
sizeof(mgmt->u.action.u.self_prot);
int hdr_len = offsetofend(struct ieee80211_mgmt, u.action.u.self_prot);
int err = -ENOMEM;
skb = dev_alloc_skb(local->tx_headroom +
net/mac80211/util.c
+2 -2
View File
@@ -2977,8 +2977,8 @@ int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt;
struct ieee80211_local *local = sdata->local;
int freq;
int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.chan_switch) +
sizeof(mgmt->u.action.u.chan_switch);
int hdr_len = offsetofend(struct ieee80211_mgmt,
u.action.u.chan_switch);
u8 *pos;
if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&