diff options
author | Johannes Berg <johannes.berg@intel.com> | 2017-06-16 15:29:20 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-06-16 18:48:37 +0300 |
commit | 59ae1d127ac0ae404baf414c434ba2651b793f46 (patch) | |
tree | 043e71496aa7a7db86bcc8219a3a51f533aac982 /net/mac80211/ibss.c | |
parent | b080db585384b9f037e015c0c28d1ad33be41dfc (diff) |
networking: introduce and use skb_put_data()
A common pattern with skb_put() is to just want to memcpy()
some data into the new space, introduce skb_put_data() for
this.
An spatch similar to the one for skb_put_zero() converts many
of the places using it:
@@
identifier p, p2;
expression len, skb, data;
type t, t2;
@@
(
-p = skb_put(skb, len);
+p = skb_put_data(skb, data, len);
|
-p = (t)skb_put(skb, len);
+p = skb_put_data(skb, data, len);
)
(
p2 = (t2)p;
-memcpy(p2, data, len);
|
-memcpy(p, data, len);
)
@@
type t, t2;
identifier p, p2;
expression skb, data;
@@
t *p;
...
(
-p = skb_put(skb, sizeof(t));
+p = skb_put_data(skb, data, sizeof(t));
|
-p = (t *)skb_put(skb, sizeof(t));
+p = skb_put_data(skb, data, sizeof(t));
)
(
p2 = (t2)p;
-memcpy(p2, data, sizeof(*p));
|
-memcpy(p, data, sizeof(*p));
)
@@
expression skb, len, data;
@@
-memcpy(skb_put(skb, len), data, len);
+skb_put_data(skb, data, len);
(again, manually post-processed to retain some comments)
Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/ibss.c')
-rw-r--r-- | net/mac80211/ibss.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 660ac6a426f4..e9c6aa3ed05b 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -1569,7 +1569,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, return; skb_reserve(skb, local->tx_headroom); - memcpy(skb_put(skb, presp->head_len), presp->head, presp->head_len); + skb_put_data(skb, presp->head, presp->head_len); memcpy(((struct ieee80211_mgmt *) skb->data)->da, mgmt->sa, ETH_ALEN); ibss_dbg(sdata, "Sending ProbeResp to %pM\n", mgmt->sa); |