From 59ae1d127ac0ae404baf414c434ba2651b793f46 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 16 Jun 2017 14:29:20 +0200 Subject: 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 Signed-off-by: Johannes Berg Signed-off-by: David S. Miller --- drivers/isdn/hisax/amd7930_fn.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/isdn/hisax/amd7930_fn.c') diff --git a/drivers/isdn/hisax/amd7930_fn.c b/drivers/isdn/hisax/amd7930_fn.c index 3a4c2f9e19e9..dcf4c2a9fcea 100644 --- a/drivers/isdn/hisax/amd7930_fn.c +++ b/drivers/isdn/hisax/amd7930_fn.c @@ -317,7 +317,8 @@ Amd7930_empty_Dfifo(struct IsdnCardState *cs, int flag) debugl1(cs, "%s", cs->dlog); } /* moves received data in sk-buffer */ - memcpy(skb_put(skb, cs->rcvidx), cs->rcvbuf, cs->rcvidx); + skb_put_data(skb, cs->rcvbuf, + cs->rcvidx); skb_queue_tail(&cs->rq, skb); } } -- cgit v1.2.3