diff options
author | Johannes Berg <johannes.berg@intel.com> | 2017-06-16 14:29:20 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-06-16 11:48:37 -0400 |
commit | 59ae1d127ac0ae404baf414c434ba2651b793f46 (patch) | |
tree | 043e71496aa7a7db86bcc8219a3a51f533aac982 /drivers/net/caif/caif_spi.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 'drivers/net/caif/caif_spi.c')
-rw-r--r-- | drivers/net/caif/caif_spi.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c index fc21afe852b9..24a5f5ca2037 100644 --- a/drivers/net/caif/caif_spi.c +++ b/drivers/net/caif/caif_spi.c @@ -548,8 +548,7 @@ int cfspi_rxfrm(struct cfspi *cfspi, u8 *buf, size_t len) skb = netdev_alloc_skb(cfspi->ndev, pkt_len + 1); caif_assert(skb != NULL); - dst = skb_put(skb, pkt_len); - memcpy(dst, src, pkt_len); + dst = skb_put_data(skb, src, pkt_len); src += pkt_len; skb->protocol = htons(ETH_P_CAIF); |